Podcast
Questions and Answers
Which amino acid would provide the greatest buffering capacity at physiologic pH?
Which amino acid would provide the greatest buffering capacity at physiologic pH?
- Serine
- Arginine
- Histidine (correct)
- Lysine
Which amino acid cannot be found in proteins?
Which amino acid cannot be found in proteins?
- Lysine
- Hydroxylysine
- Proline
- β-alanine (correct)
What characteristic of glycine makes it suitable as the initial amino acid in the Gly-X-Y repeat of collagen peptides?
What characteristic of glycine makes it suitable as the initial amino acid in the Gly-X-Y repeat of collagen peptides?
- Large hydrophobic side chain
- Strongly basic side chain
- Small size and flexibility (correct)
- Highly acidic side chain
Which property of an amino acid would promote its binding in a protein structure?
Which property of an amino acid would promote its binding in a protein structure?
Why is the affinity of fetal hemoglobin for oxygen higher than that of adult hemoglobin?
Why is the affinity of fetal hemoglobin for oxygen higher than that of adult hemoglobin?
What could explain a 35-year-old farmer's methemoglobin levels of 20%?
What could explain a 35-year-old farmer's methemoglobin levels of 20%?
What is the rate-limiting enzyme in catecholamine biosynthesis?
What is the rate-limiting enzyme in catecholamine biosynthesis?
On what does enzymatic reaction velocity depend?
On what does enzymatic reaction velocity depend?
Which statement about the Michaelis constant (Km) is correct?
Which statement about the Michaelis constant (Km) is correct?
How do statin drugs inhibit de novo synthesis of cholesterol?
How do statin drugs inhibit de novo synthesis of cholesterol?
Which coenzyme cooperates with dehydrogenases?
Which coenzyme cooperates with dehydrogenases?
How can some enzymes be regulated by covalent modification?
How can some enzymes be regulated by covalent modification?
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