MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Glutathione peroxidase contains a covalently bound ____________ |
| A. | Selenium atom |
| B. | Calcium atom |
| C. | Magnesium atom |
| D. | Copper atom |
| Answer» B. Calcium atom | |
| 2. |
Which of the following is the precursor for auxin? |
| A. | Phenylalanine |
| B. | Valine |
| C. | Tryptophan |
| D. | Arginine |
| Answer» D. Arginine | |
| 3. |
Lignin is derived from ____________ |
| A. | Phenylalanine |
| B. | Valine |
| C. | Tryptophan |
| D. | Arginine |
| Answer» B. Valine | |
| 4. |
Cimetidine is a structural analog of ____________ |
| A. | Proline |
| B. | Tryptophan |
| C. | Tyrosine |
| D. | Histamine |
| Answer» E. | |
| 5. |
Which of the following gives rise to γ-amino butyrate? |
| A. | Glutamate synthase |
| B. | Glutamate decarboxylation |
| C. | Glutamine synthase |
| D. | Pyruvate decarboxylation |
| Answer» C. Glutamine synthase | |
| 6. |
Tyrosine gives rise to a family of catecholamines that does not include ____________ |
| A. | Dopamine |
| B. | Norepinephrine |
| C. | Epinephrine |
| D. | Cortisol |
| Answer» E. | |
| 7. |
WHICH_OF_THE_FOLLOWING_IS_THE_PRECURSOR_FOR_AUXIN??$ |
| A. | Phenylalanine |
| B. | Valine |
| C. | Tryptophan |
| D. | Arginine |
| Answer» D. Arginine | |
| 8. |
Glutathione peroxidase contains a covalently bound$ |
| A. | Selenium atom |
| B. | Calcium atom |
| C. | Magnesium atom |
| D. | Copper atom |
| Answer» B. Calcium atom | |
| 9. |
Lignin is derived fro? |
| A. | Phenylalanine |
| B. | Valine |
| C. | Tryptophan |
| D. | Arginine |
| Answer» B. Valine | |
| 10. |
Cimetidine is a structural analog of |
| A. | Proline |
| B. | Tryptophan |
| C. | Tyrosine |
| D. | Histamine |
| Answer» E. | |
| 11. |
Which of the following is derived from tryptophan? |
| A. | Dopamine |
| B. | Norepinephrine |
| C. | Epinephrine |
| D. | Serotonin |
| Answer» E. | |
| 12. |
Which of the following is a PLP-requiring enzyme? |
| A. | Ornithine decarboxylase |
| B. | Glutathione peroxidase |
| C. | Glutamine synthase |
| D. | Glutamate synthase |
| Answer» B. Glutathione peroxidase | |
| 13. |
Which of the following is an important cellular reducing agent? |
| A. | Glutathione |
| B. | Glycine |
| C. | Arginine |
| D. | Porphirin |
| Answer» B. Glycine | |
| 14. |
Which of the following is the precursor for nitric oxide? |
| A. | Arginine |
| B. | Leucine |
| C. | Isoleucine |
| D. | Lysine |
| Answer» B. Leucine | |
| 15. |
Which of the following gives rise to γ-amino butyrate?$ |
| A. | Glutamate synthase |
| B. | Glutamate decarboxylation |
| C. | Glutamine synthase |
| D. | Pyruvate decarboxylation |
| Answer» C. Glutamine synthase | |
| 16. |
Tyrosine gives rise to a family of catecholamines that does not include |
| A. | Dopamine |
| B. | Norepinephrine |
| C. | Epinephrine |
| D. | Cortisol |
| Answer» E. | |