MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Phosphoribosyl pyrophosphate is a precursor of tryptophan and ____________ |
| A. | Tyrosine |
| B. | Histidine |
| C. | Phenylalanine |
| D. | Isoleucine |
| Answer» C. Phenylalanine | |
| 2. |
Which of the following can be formed by hydroxylation of phenylalanine? |
| A. | Serine |
| B. | Tyrosine |
| C. | Tryptophan |
| D. | Leucine |
| Answer» C. Tryptophan | |
| 3. |
Which of the following gives rise to methionine, threonine, and lysine? |
| A. | Pyruvate |
| B. | Glutamate |
| C. | Aspartate |
| D. | Serine |
| Answer» D. Serine | |
| 4. |
Precursor of glycine is ____________ |
| A. | Proline |
| B. | Glutamine |
| C. | Serine |
| D. | Glutamate |
| Answer» D. Glutamate | |
| 5. |
The cyclized derivative of glutamate is ____________ |
| A. | Proline |
| B. | Arginine |
| C. | Glutamine |
| D. | Serine |
| Answer» B. Arginine | |
| 6. |
Pyruvate is the precursor for ____________ |
| A. | Alanine |
| B. | Glutamate |
| C. | Serine |
| D. | Proline |
| Answer» B. Glutamate | |
| 7. |
3-phosphoglycerate is not the metabolic precursor for ____________ |
| A. | Serine |
| B. | Glycine |
| C. | Cysteine |
| D. | Arginine |
| Answer» E. | |