Competitive Reversible Enzyme Inhibition – Enzyme Inhibitors
Über den Vortrag
Der Vortrag „Competitive Reversible Enzyme Inhibition – Enzyme Inhibitors“ von Kevin Ahern, PhD ist Bestandteil des Kurses „Enzymes and Enzyme Kinetics“.
Quiz zum Vortrag
What happens to the Km value of an enzyme in the presence of a competitive inhibitor?
- It increases.
- It decreases.
- It remains unaffected.
- It decreases by half.
- It decreases by 10%
Which of the following statement is NOT true regarding competitive reversible enzyme inhibition?
- In competitive reversible enzyme inhibition, the enzyme participates in a new chemical reaction involving the conversion of the inhibitor molecule to the product instead of using the original substrate.
- In a competitive reversible enzyme inhibition, the Vmax and 1/Vmax values do not change in the presence of an inhibitor during an enzymatic reaction.
- At very low substrate concentration, the competitive inhibitor has a more pronounced effect on the rate of enzymatic reaction than at higher substrate concentrations.
- Competitive inhibition of an enzyme is used in the treatment of some cancers.
- The competitive inhibitor resembles the original substrate and hence easily fits into the active site of the enzyme.
Which of the following acts as a competitive inhibitor for the enzyme dihydrofolate reductase?
- Methotrexate
- Dihydrofolate
- Nucleotides
- Penicillin
- Isoleucine
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Dozent des Vortrages Competitive Reversible Enzyme Inhibition – Enzyme Inhibitors
Kevin Ahern, PhD
Dr. Kevin Ahern is a Professor in the Department of Biochemistry and Biophysics at Oregon State University (OSU), USA.
He obtained his PhD in Biochemistry from Oregon State University. Currently, he teaches courses for health sciences students at OSU.
He is co-author of three Open Educational electronic textbooks on Biochemistry and a Guide to Getting Into Medical School.
Due to his achievements, he earned OSU’s highest teaching recognition, the Elizabeth P. Ritchie Distinguished Professor Award in 2017.
Within Lecturio, Dr. Ahern teaches courses on Biochemistry and on "How to Get into Medical School”.
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