Amino Acid Catabolism
Über den Vortrag
Der Vortrag „Amino Acid Catabolism“ von Kevin Ahern, PhD ist Bestandteil des Kurses „Amino Acid Metabolism I (Texas A&M FOM II 2020 Exam Unit 1)“. Der Vortrag ist dabei in folgende Kapitel unterteilt:
- Amino Acid Catabolism
- Amino Acids Modified After Incorporation Into a Protein
Quiz zum Vortrag
Which of the following is true regarding amino acid catabolism?
- Glucogenic amino acids include those broken down into pyruvate and oxaloacetate.
- Ketogenic amino acids break down to ketone bodies, such as acetone.
- Most amino acids are ketogenic.
- Ketogenic amino acids are broken down into gluconeogenesis intermediates.
- Acetyl-CoA is a common intermediate for glucogenic amino acids.
Which of the following is true regarding post-translational modification of amino acid side chains?
- It involves phosphorylation of serine and threonine.
- It involves carboxylation of arginine.
- It results in glycosylation of proline.
- It results in the decarboxylation of tyrosine.
- It results in phosphorylation of glycine.
Which of the following are ketogenic amino acids?
- Lysine and leucine
- Isoleucine and valine
- Tyrosine and glutamate
- Glycine and asparagine
- Threonine and serine
Which of the following is not correctly associated regarding the defective amino acid catabolism?
- Alcaptonuria — alanine and threonine
- Methylmalonic acidemia — methionine, threonine, isoleucine, and valine
- Homocystinuria — methionine
- Glycine encephalopathy — glycine
- Propionic acidemia — methionine, threonine, isoleucine, and valine
Which of the following statements is NOT true regarding amino acid modifications?
- The disulfide bond formations between the two cysteine residues of a protein molecule give rise to an unstable structure.
- The myristoylation of glycine involves the addition of myristic acid to the glycine.
- Phosphotyrosine plays an important role in the cell signaling process.
- Lysine amino acid commonly undergoes methylation, acetylation, and hydroxylation modification.
- Asparagine may be modified by phosphorylation.
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Dozent des Vortrages Amino Acid Catabolism
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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Explains everything extremely clearly and made all of the processes easy to understand. This was a great lecture series!
