Biochemistry Questions and Answers – Molecules Derived from Amino Acids

This set of Biochemistry Multiple Choice Questions & Answers (MCQs) focuses on “Molecules Derived from Amino Acids”.

1. Tyrosine gives rise to a family of catecholamines that does not include ____________
a) Dopamine
b) Norepinephrine
c) Epinephrine
d) Cortisol
View Answer

2. Which of the following gives rise to γ-amino butyrate?
a) Glutamate synthase
b) Glutamate decarboxylation
c) Glutamine synthase
d) Pyruvate decarboxylation
View Answer

3. Which of the following is the precursor for nitric oxide?
a) Arginine
b) Leucine
c) Isoleucine
d) Lysine
View Answer

4. Which of the following is an important cellular reducing agent?
a) Glutathione
b) Glycine
c) Arginine
d) Porphyrin
View Answer

5. Which of the following is a PLP-requiring enzyme?
a) Ornithine decarboxylase
b) Glutathione peroxidase
c) Glutamine synthase
d) Glutamate synthase
View Answer

6. Which of the following is derived from tryptophan?
a) Dopamine
b) Norepinephrine
c) Epinephrine
d) Serotonin
View Answer

7. Cimetidine is a structural analog of ____________
a) Proline
b) Tryptophan
c) Tyrosine
d) Histamine
View Answer

8. Lignin is derived from ____________
a) Phenylalanine
b) Valine
c) Tryptophan
d) Arginine
View Answer

9. Which of the following is the precursor for auxin?
a) Phenylalanine
b) Valine
c) Tryptophan
d) Arginine
View Answer

10. Glutathione peroxidase contains a covalently bound ____________
a) Selenium atom
b) Calcium atom
c) Magnesium atom
d) Copper atom
View Answer

Sanfoundry Global Education & Learning Series – Biochemistry.

To practice all areas of Biochemistry, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]