MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Protein Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following enzymes do not mediate post-translational modifications? |
| A. | Kinases |
| B. | Ligases |
| C. | Phosphatases |
| D. | Helicases |
| Answer» E. | |
| 2. |
Protein phosphorylation does not play a critical role in which of the following cellular processes? |
| A. | Cell cycle |
| B. | Cell growth |
| C. | Apoptosis |
| D. | Cell wall synthesis |
| Answer» E. | |
| 3. |
In phosphoglycosylation, the glycan binds to which of the following amino acids via phosphodiester bond? |
| A. | Methionine |
| B. | Glycine |
| C. | Alanine |
| D. | Serine |
| Answer» E. | |
| 4. |
In C-linked glycosylation, mannose binds to which of the following? |
| A. | Hydroxyl group of tyrosine |
| B. | Carboxyl group of glutamic acid |
| C. | The amino group of asparagine |
| D. | Indole ring of tryptophan |
| Answer» E. | |
| 5. |
In N-glycosylation, glycan binds to the amino group of which of the following amino acid? |
| A. | Lysine |
| B. | Arginine |
| C. | Histidine |
| D. | Asparagine |
| Answer» E. | |
| 6. |
Protein glycosylation does not have significant effects on which of the following? |
| A. | Protein folding |
| B. | Protein distribution |
| C. | Protein stability |
| D. | Protein synthesis |
| Answer» E. | |
| 7. |
Protein phosphorylation cannot occur on which of the following amino acid residues? |
| A. | Serine |
| B. | Threonine |
| C. | Tyrosine |
| D. | Tryptophan |
| Answer» E. | |
| 8. |
The human proteome is dynamic. |
| A. | False |
| B. | True |
| Answer» C. | |
| 9. |
In O-linked glycosylation, monosaccharides bind to the hydroxyl group of which of the following amino acids? |
| A. | Histidine or glycine |
| B. | Alanine or tryptophan |
| C. | Aspartic acid or glutamic acid |
| D. | Serine or threonine |
| Answer» E. | |
| 10. |
Which of the following is not a post-translational modification? |
| A. | Lipidation |
| B. | Protein phosphorylation |
| C. | Proteolytic processing |
| D. | DNA methylation |
| Answer» E. | |
| 11. |
Which of the following is not a mechanism that can generate different mRNA transcripts from a single gene? |
| A. | Alternative splicing |
| B. | Transcription initiation at alternative promoters |
| C. | Genetic recombination |
| D. | Recombinant DNA technology |
| Answer» E. | |
| 12. |
Single can encode multiple proteins. |
| A. | False |
| B. | True |
| Answer» C. | |