PUMS - Adv Biochemistry

Me encantó como lo ha explicado, paso a paso, de manera detallada y concisa. He aprendido mucho gracias a este video, ¡gracias!

To the point. Good organized pathway explanations. Pedagogical presentation skills.

This lesson is explained very well! It's clear to me what Lineweaver-Burk plot means and how enzymes are most efficient when they have high Kcat/low Km

I like all videos & I want to more teach you about this and your lectures is so brilliant

Dr. Ahern is amazing at linking what he's about to teach to previous videos.

The video by Lecturio provides an excellent overview of the electron transport chain and chemiosmosis, two of the most important metabolic processes in the cell. These processes work together to produce ATP, the cell's energy currency. One of the most interesting things about the electron transport chain is that it is a highly efficient way to convert energy from food into ATP. The chain uses the energy from NADH and FADH2, two electron carriers that are produced during glycolysis and the Krebs cycle, to pump protons across the inner mitochondrial membrane. This creates a proton gradient, which is like a dam holding back a reservoir of energy. The ATP synthase enzyme then uses the energy of the proton gradient to drive the synthesis of ATP from ADP and inorganic phosphate. This process is called chemiosmosis. The video does a great job of explaining the complex steps of the electron transport chain and chemiosmosis in a clear and concise way. It also provides helpful animations and diagrams that illustrate the process.

I've reviewed the Video, and while it provides a comprehensive overview, there are a few points that need clarification. "Fatty acid synthesis doesn't occur in the mitochondrion; it occurs in the cytoplasm, sequestered from fatty acid oxidation, simplifying the regulation of the two pathways." Clarification: Fatty acid synthesis indeed occurs in the cytoplasm, separate from fatty acid oxidation that takes place in mitochondria. This separation allows for streamlined regulation, ensuring the balance between synthesis and breakdown. "Fatty acid synthesis is chemically similar to the reverse of oxidation, involving joining, reduction, loss of water, and a final reduction, making it essentially the reverse of oxidation." Clarification: Fatty acid synthesis does indeed involve joining of acetyl and malonyl units, reduction steps, and removal of water, making it similar but not exactly the reverse of oxidation. The subtle differences in the chemical steps are crucial for the controlled synthesis of fatty acids. "The enzyme acetyl-CoA carboxylase is regulated through phosphorylation by AMP-activated protein kinase and allosteric binding of citrate, ensuring the balance between synthesis and cellular energy levels." Clarification: Acetyl-CoA carboxylase, a key enzyme in fatty acid synthesis, is indeed regulated through phosphorylation and allosteric binding of citrate. This regulation allows cells to respond to energy demands, modulating fatty acid production accordingly. "Fatty acid synthesis involves a series of steps catalyzed by the multifunctional enzyme fatty acid synthase, where individual activities within the enzyme complex work together, ensuring efficient fatty acid production." Clarification: Fatty acid synthase, a multi functional enzyme complex, plays a central role in fatty acid synthesis. Its individual activities work in harmony within the complex, allowing for the sequential addition of carbon units and the creation of fatty acids up to 16 carbons in length.

The following are the errors in the information you provided: 00:24 The general formula for monosaccharides is Cx(H2O)x, where x is equal to the number of carbon atoms in the monosaccharide. For example, the structural formula for glucose is C6H12O6, which means that it has six carbon atoms and six water molecules. 01:15 The structural formula for lactose is C12H22O11. This means that it is a disaccharide made up of two monosaccharides, glucose and galactose. 01:39 Polysaccharides are polymers of monosaccharides, but they do not necessarily have to have the same repeating sugar unit throughout. For example, amylopectin is a polysaccharide made up of glucose molecules, but it has a branched structure. Here is a corrected version of the information you provided: Carbohydrates are molecules whose name literally means hydrates of carbon. This is because monosaccharides, the simplest carbohydrates, have a ratio of one carbon atom to two hydrogen atoms to one oxygen atom, the same as water. The general formula for monosaccharides is Cx(H2O)x, where x is equal to the number of carbon atoms in the monosaccharide. For example, the structural formula for glucose is C6H12O6, which means that it has six carbon atoms and six water molecules. Disaccharides are carbohydrates that are made up of two monosaccharides. They are formed by a glycosidic linkage between the two monosaccharides. Disaccharides have the general formula C12H22O11. Examples of disaccharides include sucrose (glucose + fructose), lactose (glucose + galactose), and maltose (glucose + glucose). Polysaccharides are carbohydrates that are made up of many monosaccharides. They are formed by glycosidic linkages between the monosaccharides. Polysaccharides have the general formula (C6H10O5)n, where n is the number of monosaccharides in the polysaccharide. Examples of polysaccharides include cellulose, starch, glycogen, and chitin. Polysaccharides do not necessarily have to have the same repeating sugar unit throughout. For example, amylopectin is a polysaccharide made up of glucose molecules, but it has a branched structure.

Great Lecturer..well explained. Every section of lectures are meticulously explained. Clearly understood.

it's very easy and simply explained and I loved it It was very helpful

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Recomendo pra todos que querem saber melhor sob Medina das universidades

Clear and understandable concept with actual molecules shown aswell which is very helpful.

Prof Kevin Ahern is incredible! Great summary and really well explained!

not explned wel as the topic is difficult and you made it a lot much boring

easy and complete explanation for a complex topic, you're the best!

I really liked and very helpful lectures thank u sir for your explanation

I have really learned. Before, I was wondering why study, or cram all those pathways and enzymes. How Professor Kevin Ahern explains and bring out concepts, Oh my God so great. He was born a teacher and just polished by learning! He never leaves behind any one, even the slow learners can pick, because once one understands the basic, the necessary complex facts can be understood quite faster! I am now thinking of mastering in Biochemistry, besides my goal of Internal medicine. To be the best Physician, Biochemistry I have understood is one of the vital tools! In my Nursing practice, we lost a 10 yr old male with Liver Cirrhosis from a liver disease, which was diagnosed in early age. Now, I am thinking of a Deficiency of the Transaldolase enzyme!! Ahh save for my little knowledge! Kind regards!

Really a great and elaborate presentation. Thanks Prof. Kevin. Now I no longer struggle in cramming Biochemistry but rather find the subject interesting. I wish I started using your lecture guide early in Medical school, but any way not yet late! Thank you once again.

very new insight to explain macronutrient and fruit for thought

Very dense lecture. Maybe a bit too in-depth in some places, but excellent discussion about the importance of carbohydrates and the key enzymes and reactions that underly the process.

Excellent review and explanations of the different vitamins and their various forms and functions.

Awesome lectures by Sir. he explain every step and every single reaction with detail thank u.

It was informative in a simple way and the question after make you make sure you got it

I can easily follow the sequence of information. The important details are also emphasized, making it easier for recall.

I really like the explanations and detailed structures used. The structures make it easier to understand.

Very clear and easy to understand. I enjoyed the visuals.

Professor Kevin make it enjoyable course; It helped not only in remembering many info that I forgot in the class, but also I did learn many new valuable information. The fact that the explanation provided by Dr. Kevin is so easy to understand and memorize, make this course very interesting.

Professor Kevin make it enjoyable course; It helped not only in remembering many info that I forgot in the class, but also I did learn many new valuable information. The fact that the explanation provided by Dr. Kevin is so easy to understand and memorize, make this course very interesting.

Professor Kevin make it enjoyable course; It helped not only in remembering many info that I forgot in the class, but also I did learn many new valuable information. The fact that the explanation provided by Dr. Kevin is so easy to understand and memorize, make this course very interesting.

The explanation about the carbs are very clear and detail. Which make easier for any student and professor to better understand the carbs, their pathway, and the enzymes that work in those pathways.

just got the structure formation of a f actin support epithelial

This course is easy to understand and memorize. I am 100% recommending this course to anyone in need of learning sciences.

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Why does it require ten words and stuff, can't I just rate the lecture and get over with it?

Very concise and simple explanations. He made it easy to understand.

He speaks very well. Concepts delivered very well. I could understand most of his theory

Concepts are very good and explanation is amazing. I'm in love with it

Amino acid MetabolismThe lectures are very thorough and give good details about what is high yield.

I haven’t seen such an amazing teacher in my life My most favourite teacher

very bad organization of the material vitamin d , then calcium, then vitamin d, then calcium. and there are lots of overlap between classes

Awesome review , covering all the important concepts with clear explanation

All of the videos on this topic are very good, thank you!! It made me finally understand it. I wish we would have more details on the pathologies related to the Purine and Pyrimidine pathways.

It was awesome factual and easy to understand.Amoino acid Metabolism clear relationship to general human Anatomy.

Amazing Dr. Kevin! Thank you very much for this course!

Short and simple. Right through to the significant things. Thanks to the professor.

Yes , endocrine system is a complexly complicated system and explained so well. Many thanks indeed to a doctor Carlo Raj.

Yes, hormones and their transduction signals are important like a cardiac conduction system starting form the Sino-atrial node (SA) finishing in the Purkinjie fibres . I mean Hormones and signal transduction are really well explained by a doctor doctor Kevin Ahern . He has been presenting the most complicated part of the medicine course so well. In terms of pregnant patient for example who does need an extra attention and management as they go though various hormonal changes while caring out pregnancy and delivery tasks. I cant thank enough for his contribution . I much appreciated.

Only wish the section would have also included videos or as link to videos posted elsewhere to Vitamin C, B1,B2,B6 and the rest of the water soluble Vittamins.

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This lecture provided me with so much clarity. Thank you

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Wonderful, simple and easy-to-understand video. Finally got it

This video has several problems. It does not seem to be a continuation of the previous ones, it has unclear information, the reparation itself is not explained, and the name dropping doesn't help either.

The best explanation, Concise and to the point. Thank you so much.

Great Lecture! Brings the connection between the receptors and their activities in a way that is easy to comprehend and recall. Very well organized for a lecture under 20 minutes!

Love this lecture. Dr. Ahern explains much better than my professor.

I FULLY recommend!! Definitely has help out in my courses.

best explanation of the iron transport on the web that I have come across. Good clear diagrams.

They give clear explanations on all topics in such a way that it is easier to grasp. I personally enjoy learning more about a particular topic and Lecturio is the perfect platform to do that as well. I highly recommend Lecturio to all students for better understanding of relevant topics.

Thank you so much This video helped me so much en my sesions of study

Comprehensive, latest information presented in an easy to understand formats. Thanks!

Interesting. I have tries to learn this about 2-3 times but never quiet stuck in my mind. Too easy to forget why an enzyme does this or that, however Dr.Kevins way of sharing the WHY this is significant really helped conndct the dots.

I really appreciate how Professor Ahern broke down this topic (no pun intended). He does a really good job at tying things from other lectures together really bringing these pathways together while also trying to enrich our understanding of the context behind em. Thank you for your hard work!

I honestly had a lot of fun listening to Professor Ahern. You can tell he is really passionate about Biochem. I learned a lot. Great course if you're interested in understanding aspects of the metabolic pathways conceptually while appreciating the details/context that enrich your understanding of them and how they are interrelated.

It was easy to understand, and some details, which i think was enough! not too much information, but enough

Thank you Dr. Ahern for this very comprehensive lecture. Going through the biochem book makes this topic very complicated. It is amazing how you can simplify this topic to get to the point and what we actually need to understand.

He is my favorite instructor by far. His explanations are very good and he is very engaging.

Difficult to memorize all pathways I think it could be more interesting

Really good divided and explanation, with good examples and great review questions

Comprehensive course with exemplary format & teaching style to explain core concepts.

Aminoacid metabolism Is not easy to understand but still good !!

fast confusing order of explaining Its not like it simlifies anything the way its explained is quite fast and confusing very mono tone

I love her course. She explains in a very understandable way.

Professor gives a very clear explanation, easily understand. Thank you.

Oh bind blowing i like carlo raj one word ,, Welcome,, Ohooo

Beautiful and very good explanation . easy slides. thankyou. study matter also provided

I am no longer scared of metabolic pathways. thank you so much.

It was hard to understand It could be better another way to explain the topic

Great course clearly explained easy to digest I enjoyed listening to Dr Raj

It was a great lecture, I learn a lot. Thank you Prof. Ahern.

He is the best here , I swear Idk but I like him

Its excellent because there is more physical and clinical correlation and enzyme mechanism simplified

I noticed that there weren't any lectures on mineral metabolism in the library. I think students would really appreciate it if you made a module on this topic as it has a lot of biomedical importance and some relevant diseases are associated with it.

such a hard concept explained so easy and well. such an amazing work sir

Each and every concept is explained with each lecture it has helped me in getting to know things well rather than just learning.

Alright . I think the lecture could be enough for new students

Great explanation about the Bohr effect, thank you very much doctor

I understand very well, thank you Professor Kevin, these help me a lot

Dr. Ahern pointed out very interesting aspects like heat generation/high energy of PEP and the 2,3-BPG production. Maybe I wasn't paying attention the first time I learned about glycolysis, but this extra integrative information it makes this step easier to remember. Actually, in generally, these human focused biochemistry lectures, are easier to digest, since when I learned it originally, it was mixed with plant and microbial biochem.

The lectures on Enzyme and Enzymes Kinetics were thorough. There were detailed information on some important concepts.

Prof Ahern explains very well & makes the key steps/enzymes memorable (eg PEP is full of pep!)

So good explications with a nice and simple way . I really appreciate your effort .

I enjoy listening Dr. Raj explanations. He explains it clearly, throws some jokes, and makes conversations with the audience.

Magnificent lecture about polysaccharides and their functions for storage and release

The lectures are very thorough and give good details about what is high yield.

I love the way he explained enzyme.... A brief and easy to understand lecture

Thank you Dr. Kevin Ahern. You made me fall in love with biochemistry.

I really liked the explanation, finally after 2 years, I understand this!! Thanks :)

I always enjoyed Dr Ahern's handling of the Biochemistry subject, especially his eplanations

Every slide has been clearly explained in detailed form. Thanks sir.

It's unfathomable how much this lecture has saved my time. Though I would appreciate a quick-summary of the products turning into intermediates for other cycles. Like with how g-1-p turns into g-6-p

I saw many times the video, take notes but I don't understand at all this video; think is some confusing :(

The lecture simplified glycogenesis to extreme simplicity. It truly helped save around 30 minutes from my lecture, by providing adequate information

this is amazing thank you , i gained a lot of info about viruses that i have not know before

very clear explanations and the questions helped me understand the content

Love your lectures, Professor. It is helping me a lot reviewing Biology as It's been years since my basic science years.

It's good, informative not as detailed as I need it to be but it's a good framework to build on

Good explanation. Pretty bad diagram. Animation probably would work better.

First of all, I like the depth of this lecture and Professor Ahern is clearly very knowledgeable and concise on the the topic being discussed. And I also like due to the fact that this video is clearly a high-yield resource which is very helpful for my upcoming medical exam. However, I believe that this could have been better had the previous cycles preceding the formation of OMP explained as well in order for us the students to be able to get the essence of the information better. That's all I have got to say

Excellent Lecture from lecturio; I highly recommended for students from medical school. It is an excellent learning platform.

Concise and clear; exactly what I needed for this topic, thank you.

Very good review .enjoyed the enthusiasm. Visuals were ok but not really understood.!

This lecture is amazing and I loved the explanation regarding the conformational change of hexocinase during the reaction.

His explanations are very good. Biochemistry made easy!! He is very good in teaching.

beautifuly explained. thankyou!! Every point in every step was explained nicely.

Great material presented and pretty nice connected to other subjects

Teacher speak slowly to help me understand Glucose in my body

rate of speech is good and i understanded the subject he explains it very simple

me gusto muchísimo lo recomiendo a todo el mundo que quiera saber mas

Amazing way of teaching, compact and efficient. Really good job, keep doing it Mr. Ahern.

Has high yield infos which are not in other lecturer's lectures

Dr. Cornwall did a very great job with this.. The big picture simplified everything and made studying into little details easy.

I really like the video, makes medical biochemistry easier to understand

Very good and simple to follow. Makes learning easy. Great.

Before Lecturio I struggled with comprehending the mechanism of proteases and enzyme kinetics. Dr. Ahern brilliantly & easily explained these concepts in less than 5 minutes. I am currently in a graduate program for Medical Sciences, we have cumulative exams every quarter & I was just memorizing the info but now I finally understand. I recommend Lecturio to pre-meds, MCAT, and Med students.

Kevin sir explanation is very very nice and it's an extraordinary talent and explanation but little more information should be presented in power point slides so that we can learn more and more by step by step .. Thank you sir From Sanjeev India

Dr. Ahern is a fantastic lecturer. All the course is simply awsome.

It's very good i appreciate this hard work by the innovation

this presentation was good and the way sir explained the concepts was nice

Whenever I get confused about a pathway, I come to watch these videos and it helps tremendously. Thank you for what you do.

It is an xcellent explication! I understend it at all. Thank you

Great lecture! Very simplified and friendly explained. Thanks so much !

I find the teaching style to be effective and well planned. I use lecturio for supplimenting the topics taught in my classes

Very insightful and brilliant explanation. I learned very much in this lecture! School professor just skip much of the importance in PPP!

Excellent lecture, well explained so I could understand it. So important to understand and not just memorize these topics.

Excellent lecture. Understood Bohr effect better than ever. I love these lectures.

This videos are amazing, the professor is excellent and his explications are clear

He is a very Good Teacher as he teaches as if he was narrating a story.

Thanks Mr Kevin for your time, dedication and preparation, blessings my man!!! happy 2020

Awesome analogy great lecture! Very nice lectures overall I really enjoyed them. even though I have taught this topics and I know them fairly well. I enjoy little gems of information I received through these lectures, and new understanding

The Professor is excellent, every one can understand easily de concepts

Amazing explanation made me understand the concept clearly in a short time

Excellent teacher . Great lectures . He knows how to teach the subject matter

Great professor. Has almost everything needed for my course in Biochemistry.

I was struggling with this subject in school and he explains it so thoroughly.

Talks clearly and explains all the key points so that you can understand the lecture in simple terms

Just on the point, Lecturio is what they say it is. Thank you Lecturio!!!

The topics were categorized and explained well with good examples

Muy buen docente, se nota que le apasiona su profesion y la ejerce con entusiasmo.

I love it... 100% worth it... Made it simple and easy to understand!

A huge thank you to Prof Ahern! You explanations are very easy to understand and your lectures are a huge help to get a better understanding of biochemistry topics. Thank you very much!

appreciate very the mechanism described in this lecture. Very informative and easy to understand

Really good discussion. I would love Dr. Ahern to by my mentor

The DNA Repair lecture was not very clear at all.

It is a great parsimonious source for understanding the mechanism in which amino acids build into protein and how amino acids are broken down through metabolism into various molecules inside the body. The lecture also provides the structural frame understand the basics of amino acid regulation through metabolism.

Dr. Ahern creates a great foundation by breaking down concepts and building on them throughout the lectures.

amazing lecture, finally i understood the tertiary structure for the first time

its good and thorough, also covers minor lipid types! good to learn

Simply explained with a little history that made it fun and also helps keep the connection to the content, So much of medical knowledge is facts and figures which can easily become blurred in my mind. The connection to history helps this content stand out in my head! Thank you!

Concise and relevant for the USMLE Step 1! Easy to understand !

Clearly explained the key concepts - not too wordy and presented with clear diagrams!

Dr. Ahern, I appreciate the pharmacological and pathophysiologic connections you make when delivering your lectures. It aids retention and usefulness. I am a nurse practitioner student and can also see the clinical connection. I have administered Methotrexate to many patients. Thank you.

Very high-yield. Thank you for underlining this moment, crucial in treating hypercholesterolemia.

Succinct. Well organized. Clearly presented. 5-10 minute lectures are easy to stay focused on without zoning out.

I have taken biochem as an undergrad, grad. and post grad and I've never had anyone explain things as clearly. Dr. Ahern is one of the best teachers I've ever encountered. Thank you!

Excellent course! I enjoyed learning this system because the material was organized and thorough.

A+ teaching style and delivery thank you Dr Ahern for making a difficult topic easier to digest

Love Raj’s speaking and teaching style: very conversational but professional and easy to follow. It’s like you’re face to face in a real lecture with him. I like all of his lectures!

Actually I saw the YouTube add . And I watched the lecture . The information is given in short and precise manner. Understood everything.

The video helped me understanding this topic with visual representation

He is clear, short, and simplify the most important points

it is really amazing lecture & has been organized well thank you

I loved how I understood the bigger picture in the end of the lecture

Clear and Comprehensive explanation. Not too detailed but enough to understand.

I really liked this site ,and it's seems helpful for me . I am a high school student. I am in the 10th grade right now. I just want to become a surgeon doctor because I want to save peoples lives. I know that I have to right a commit to this site and I do not have to introduce myself for you people. I do not need to study this because I did not understand today's subject.I just want to be ready for the medical school. I hope this website will help me being ready and ,Good Luck.

I finally understood why we have Lineweaver Burk Plot and how we read it.

Was very clear just speak very quickly, then I have to repeat the lesson to understand complete anyway its not important, I would like just when speaking about the oncogenes give some examples about the food that causes

Very much explaining After I did this topics know is easy to undeerstanding

Great lecture. You have a great and enthusiastic way of explaining.

Perfect way of explaining complex things. This is rarely seen by lecturers. Wow!

This lecture was explained super clear and to the point. Thank you!

Clearly explanations, every piece of knowledge that prof. Ahem shares with listeners is facilely absorbed and stays in the mind.

Attaractively and well explained video of serine protease catalytic mechanism that I have ever seen...Thank you..????

Very eloquent :) my favorite on this website! would definitely recommend.

A good introduction. Very schematic and overall easy to learn basics.

I like how that he randomly generates questions that get the students to think

amazing ! thank you so much dear dr.Ahern , i was always scared of biochemistry ,but its the first time i finally get to understand it and i owe it all to you. My committee exam will be in two weeks and im hoping to finish this course plus few more lectures from fat metabolism course. also special thanks to lecturio for preparing such a great learning system opportunity for us.

concise and straight to the point,exactly what I was looking for

Amazing lectures! Very well explained and effective videos. A perfect way to get a clear view of the subjects, very glad I found this.

Nice succinct intro with basic overview -- key points are highlighted

For the first time ever, I got AA right. Thank you!

I'll just say thank you very very very very much!!!

My name is Barbara, I'm from Colombia and I really like your videos Mr. Kevin, because I think the content is easy to understand.

informative course, to the point, easy to follow and understand, quiz questions are interesting

Vitamin section is fine, concerned vitamins explained clearly and easily However, some water soluble vitamins are considered missing (eg. thiamine, riboflavin, biotin, vitamin C ) although they might be encountered in some other subjects; such as nutrition. Additionally, minerals are not touched in these lecture series at all Overall, it is a very good course for the material targeted, but needs to fill the gap of missing items

Pure gold indeed !!! Presentation of chemical compounds during presentations is very helpful.

Love him so far, clear concise and to the point and also very enlightening

it is a very interesting materail, so clear an usefull and could recomend it without any question

Yea, these lessons site wide need more quiz questions. Only thing holding this site back from being outstanding.

Very well explained and detailed lecture, but it would be nice for better understanding to have some names and terms (e.g. Ramachandran plot) displayed in the video!

THANK YOU Pro Ahern you're amazing! very well explained!

Professor Ahern is a perfect teacher and he makes everything so easy to understand

I always love this guy! I totally get his sense of humor and he has the unique skill of taking any pedantic topic and making it interesting and fresh. Passed my GI exam with the score I wanted thanks to his voice in my head during the exam.

As much as your stories are interesting for the ETC gradient It does not fit my learning style. It would be nice to have clear scientific language about what's happening. I can't write a story on my exam paper. Perhaps this is just me.

Easy to understand and very complete. Thank you for your time, helped me a lot

thanks for teaching me in such a clear, precise, and yet enriching way

Thanks for focusing on the "big picture!" The lecturer at my school bogged us down with the details, so it was hard to take in what the most important steps were

I love Dr. Raj's style of teaching! Very clear and motivating introduction! My only recommendation would be to add diagrams along with the description of the receptors. I personally find them very helpful in remembering the downstream functions

prof Ahern is wonderful and funny! enjoyed all his lectures

Very nice and informative lecture, easy to understand and remember

I have followed Dr Ahern through all the basics of biochem lectures and he has never failed to deliver.

Great job again Dr. Ahern! You have helped me better my understanding of these topics.

very informative and well explained lecture. Dr. Kevin Ahern has changed my view of biochemistry.

Brief, understandable, high yield information explained with illustrative slides by Dr. Ahern

Very well put. Dr Kevin Ahern explains difficult topics in a very short concise and interesting manner.

Interesting topics Amazing teaching with nice explanation ,and review questions

You make it much more easier. However, I still understand all important points. Thank you!

This guy deserves a medal. I wish I had a lecturer like this when I was in undergrad (or even now in medical school).

This entire series is the most eloquent and beautiful explanation of a terrible terrible subject like biochemistry I have ever seen to attended

She talks so clear, understandable.. just a little fast but i havent got bored.. Thank you..

Hello Dr. Ahern. Your lectures were phenomenal, but for several of the lectures the slides did not correspond with your lecture (they were of totally different topics) or they changed midway into into unrelated biochemistry topics. It may be best to review them and adjust the errors. However, your presentation was so so good that I was easily able to follow your lectures with the downloaded lecture slides.

Really great explanations of the whole process. Was not happy that I had to relearn Krebs and ETC but actually found these videos enjoyable and valuable.

Conveyed the process in a short &digestable way.I LIKED THE WAY OF presentation too.

Not bad, but need to identify the polymerases better, as in the replication of DNA and RNA...

Had so much difficulty learning the enzymes on the pathways. This way was easy to understand it!!

I like the way you link things from one to another. Yuu made these lectures highly appreciated with the concise and comprehensive explanation! Thanks Prof!

really helpful i never found this data in any of my textbooks

Not my favorite subject but very well explained and understanded.

He explains it very well and at a good speed. He doesn't use to many difficult words so if your first language isn't english it's still possible to understand. Also whenever you have a question he answers quickly en thouroughly.

It is really helpful. I appreciate your kind efforts. Thanks verh much.

Excellent information and explanation, it's helping me a lot. Congrats, lecturio!

Great lecturer very knowledgeable of subject matter at an admirable pace. Needed this in depth type of lecture in med sch. Good job

Great lecturer very knowledgeable of subject matter at an admirable pace. Needed this in depth type of lecture in med sch. This guy is just good.... Great job

Great lecturer very knowledgeable of subject matter at an admirable pace. Needed this in depth type of lecture in med school because signal transduction in med-school was highly schematic . Good job

Great lecturer very knowledgeable of subject matter at an admirable pace. Needed this in depth type of lecture in med sch. Good job

Great lecturer very knowledgeable of subject matter at an admirable pace. Good job

It was just amazing, he was critic to give information and had the most important skills for me, and that is: perfect didactic. Had all concise information I needed.

He simplified the concepts and illustrated by a very nice way

Excellent delivery of content which was easy to understand Good use of diagrams and graphs to help explain key concepts

informative. good review for this basic area as it has clinical correlations

This lecture helps me a lot since i jave a hard time to understand.

Prof Kevin Ahern makes even a complex signaling process easy to understand and the association with day to day events. I have loved his other lectures too. I literally used to hate biochemistry but now I’m enjoying it and that is why I have given his lectures 5 stars

Thank you very much! Those extraordinarily awesome questions help me better understand the whole thing with details!

Wow, these two amines are very tricky, thank you very much, Prof. Ahern!

I liked the lecture and the diagrams, I can put 5 stars yet because I am unsure how relevant everything is. Pretty basic biochem, but it was a good refresher. The diagrams are helpful.

I cannot believe I am just now finding this resource during my dedicated Step 1 period. However, I am so glad that I found it now, right at the beginning of Step prep, rather than later. I plan to use this as one of my main resources for the remainder of time up until my exam. I realized while reading First Aid that, although I had known the subjects very well at one point, that my foundation was not as solid as it once was. This is perfect for reviewing and providing the big picture for everything. It's also an amazing resource for providing the "why" and "how" behind all the small factoids written in First Aid which is just what I need. It's so much easier to retain the information when you actually understand what is going on rather than memorizing a 650+ page book of bullet point lists/facts. This is great. I was a huge fan of Boards and Beyond, but I have since ditched that resource and am fully focusing on this one since this seems a lot more comprehensive and better taught (though Dr. Ryan has also done an amazing job too). Thank you guys so much for coming out with such a well thought out and developed and thorough resource. This is going to make board prep so much smoother. If I end up scoring highly on Step 1, I will make sure to write a review on Reddit, SDN, etc raving about Lecturio.

This guy is on top of his game at a ridiculous speed... I can't complain only if all others know their stuff like him there will be less confusion

Sometimes this guy makes me laugh because of the rhetorical questions but I appreciate it. The instruction and material presented is on point and precise. Great references to pathologies!

Gooood job LoL and really a good story-maker????Thank you very much! Amazing, very impressive!

I do not think there can be any simpler explanation of these concepts. Dr. Cornwall takes her time to explain these concepts in a way that they stick with you, and the analogies she uses engrave them into the medulla so that you can relate to the concept. You can't beat this! This is exceptional!!!! Thank you so much!!

The material covered a wide variety and having a non-science background it is clear and easy to understand.

This guy just knows his stuff, on point even with the speed of his speech he has mastered his slides. I almost got scared with the previous lecture in genetics but he managed to bring me back home. Very knowledgeable keep up the good work and add more clinical correlations.

Care for details and passion/curiosity for knowledge are seen in this lecture. I gained a lot from it.

I LIKE THE PRESENTATION AND I LEARN . PROFF. USE A SIMPLE AND UNDERSTANDABLE LANGUAGE

Very profesional, why is it said that bacterial chromosome has a single origin of replication and eukaryotic multiple origins

Its really interesting subject made easy by an interesting professor. I'm not sure if that level of details are needed for the USMLE exam as I'm using the USMLE curriculum, if its not needed thats fine it will be for my future knowledge hopefully if i get to keep in my head.

It was simply amazing. The knowledge I got exposed to was simply clear cut and delivered by an expert in layman's literature. I am keen to absorb more of Mr. Kevin Ahern's lectures.

The lectures are nice, simple & very well explained. I would definitely recommend this course to my friends!

I like how Dr. Ahern took his time to explain the topic in an articulate manner. Helped me understand the topic and want to learn it more.

El semestre pasado apenas y me di cuenta de todo lo que la enzimas y las reacciones significaban, ahora creo tener una visión mucho ma completa, GRACIAS

Batalle mucho para entnder mis clases pero con estén curso tengo un mejor dominio de el metabolismo y me permitió realizar una presentacion del tema ????

An excellent, brief and up to date piece of information, ideal for quick recall

Very easily to follow. The concepts are explained so that one who isn’t familiar with biochem can understand with ease.

Great video. I just would like if it talk more about the similarity between receptors (Alpha units)

Thank you so much Sir for brief description of all topics.

the lectures is shallow; i think that more details are needed. it is ineffectual for the level required from the biochemestry course of the Med University of Florence. cordially gioia

Recommend this course to any medical students doing pre/clinical Helps with pathways and understanding breakdown.

You can memorize or you can understand. Concepts are yours forever. Memorized lists of facts are gone the very next time you need to cram for another test.

Excellent! Well delivered and full of quality information. Totally recommend this course.

Dr. Ahern was very clear and concise. Great lecture. Thank you!

Doctor Ahren. Great explanations and enhances my knowledge in biochemistry, i´d rather reccomend you tu use a lower velocity on your explanations because some of the students are foreigners and they probably may lose the idea. Nevertheless i´m completely satisfied with your video lectures.

Dr. Raj explanation makes it simple and clear to understand!

Simplified the lecture in enzymes and i like how everything was explained in a simple but direct way. :)

Amazing lecture and slides explained very well and it was useful to have the slides downloaded.

I finally understood why keto diet is so effective :) Thank you Dr. Kevin!

The lecture were short and concise and were just thesame as what I needed to learn.

This lecture was very educational, and well organised, moving from the basics to the complicated topics, explaining every topic step by step.

Explains everything extremely clearly and made all of the processes easy to understand. This was a great lecture series!

Great emphasis with pitch and tone, clinically inclined and examination oriented lecture. Exclusively five star

The Good: Lecture: 5/5 Amazing Lecture! I learned a lot! The Not so good: Quiz:2/5 Only 1 question....and was not as specific as I would like it to have been. Perhaps consider having at least 50% of the terms discussed included in the Quiz.

The subject is really hard... but the professor is excellent!

Wow! Never thought I’d be amazed by the clarity and succintness of the discussion. Packs into a few minutes what would take a four hour lecture to discuss. Defintely recommended these lectures to my friends who are struggling with biochemistry and don’t want to use the books so much.

thank you very much doctor kevinm very helpful lectures, especially vitamin D.

Thank you Dr Ahern! Thanks to your clear and nice explanations With integrations I am finally starting to understand Biochem! You make difficult things look so simple and enhances the importance and intelligence of mother nature in our human bodies

Incredibly good! I have spent hours studying from the book and this is by far the most helpful in terms of deep,meaningful understanding of the subject.

It is very clearly and enthusiastically explained. You make Biochem easy to understand.

As a medical student I found this series of lectures on enzymes extremely clarifying. Dr Ahern is a great lecturer. Thank you so much.

Professor Dr. Kevin Ahern is very clear in presenting. Love the short but very informative lectures. Would recommend to everyone, those with or without biochemistry understanding. Thank you very much Professor and Thanks to the maker of Lecturio.

Fantastic lecture, just the amount of information I needed to cover and retain the topic.

Very clear summary. Would like to see more clinical correlations made.

I understood perfectly the concepts the way he explained them. He makes it ease to grasp

few things are missing like discoiling of histone protien and a sentence is not repeates

Very simple and easy to understand. Would definitely recommend this course.

It is really so good thing to take more information and I like so much the way of the explain for the teacher thank you so much for this helping for students

I love to use this great app to review my med knowledge!

no words can describe how much this was amazingly useful

This lecturer is inarticulate and speaks very fast. I'm having difficulty keeping up with him.

l am a pre-med student and after watching this lecture I decided I was definitely subscribing! Everything was explained clearly and I understood the concept completely.

Brief and comprehensive lectures. Really makes mechanisms and actors really to understand.

Both comprehensive and simple lectures, could use some more medical/clinical correlations, though.

It is fantastic to have a lecturer making a diffucult subject easy. Now i can not wait diving into some hardcore books about enzymes. Watching an inspiring teacher really makes a difference. This guy is also rather fast talking so you dont need to speed up, witch i do quite often. Also the pop quiz in the end just makes it so much more fun. It becomes a game. And thats great and enhances long term memory.

Thank you so much Dr Kevin, this lecture series are the best that I have seen so far and explain very well, simple and practical a very complicated topic.

he is so good ... I am very thankful to you sir !!

it was perfect and describe a part of endocrine system very well.

Great Instructor. Clear, concise, very easy to comprehend. Dr. Ahern gives the "meat" of the concept. Not long winded.

Awesome job, I wish you were my teacher at my university! So clear!

Clear, well explained and classified. The way he associates concepts is quite helpful for studying

I subscribe because of this professor. Great lectures and explanation. Nice job

What I loved the most about this lecture was how Dr. Cornwall actually took her time to explain the concepts discussed, and even used simple analogies to ensure that the information was easier to digest. This is something you find lacking in many professional lectures. Thanks again Dr. Cornwall!

It had been a few years since reviewing enzyme kinematics, this was a great refresher!

important points are marked and forces one to be carefull of the whole sentence

thank you very much, nice lecture, sounds great, well presented

It was very clear and explained well- the subject itself is usually hard to explain

it´s great conference, well explain, clear and simple. like ir a lot

I am a high school biology student and this helped me so much thank you!

Very clearly explained. Doctor Raj makes things easy and entertaining. Thank you. PS: i love how he connects the theory with the clinical practice.

The facilitators are very good because they motivate you to learn.

thanks. the lecture was very informative and concise for such a complicated topic

the plot charts are really confusing. takes a few replays to grasp a little.

Lecturer seems to know the material and is able to convey in a manner that is engaging

Thank you Dr. Kevin Ahern!!! Sometimes you speak so fast, but these time was perfect :)

The professor was very clear and his tone was lively :)

I like it because it highlighted the basic concepts and the tutor made it interactive by asking questions in between the lectures allowing thinking process. The tutor also simplified it. I enjoyed it.

These lessons are brilliant enjoyed them so much I have bought some books by Kevin Ahern, PhD the questions at the end also reinforce learning.

I was impressed by the knowledge of the professor. However, the very short length of each lecture was disturbing and distracting.

this guy so good only amazing so much only omg nice nice

Great professor, great explanations. This video was like a summary of important parts.

it was very good lecture it will help me in my med biochem class thanku

Excellent explanation, detailed enough to understand the main pathways and its regulation

Exactly what I needed. Straightforward and to the point. Linearly organized.

Hello though I learnt new things by the good explanation of the pathway but I will be happy if there could be mnemonics to remember then easily. Thanks

Simple is better! Straight to the key-points and very well discussed!

The lectures provide a wide vision of the endocrine system, Dr. Raj make it easier and absolutely complete with clinical correlations.

it is a good course. easy to understand. I liked this course

This is professor is really good at explaining concepts and is thorough with getting caught up in the details

Great lecturer. I like how he stops and quizzes the listener in such a matter of fact way. Very engaging and you get mad at yourself when you don't know :).

Thank you very much for such a great lectures!Biochemistry have never been so interestig until now)

A very clear understanding of the basic concepts was developed by Kevin. Good examples and perfect illustrations made everything so easy and interesting.

very clear Explanation; I managed to understand mechanism for each type of Ihnibitors thus I can now draw the lineweaver plots.

Great constructive instruction at a understandable medical level thank you! Thelma Boshoff