MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Molecular Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For the process of autophagy the formation of vesicles occurs. The membrane of these vesicles are derived from ___________ |
| A. | Nuclear membrane |
| B. | Cell membrane |
| C. | Mitochondria |
| D. | Golgi membrane |
| Answer» D. Golgi membrane | |
| 2. |
Lysosomes does not have which one of the following properties? |
| A. | Membrane bound organelle |
| B. | Digestive enzymes |
| C. | Cell metabolism |
| D. | Carrier vesicles |
| Answer» E. | |
| 3. |
Ubiquitinization always leads to the degradation of the protein. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
The Cdk1 activates which of the following type of Ubiquitin enzymes? |
| A. | E1 |
| B. | E2 |
| C. | E3 |
| D. | E4 |
| Answer» D. E4 | |
| 5. |
Which of the following is a Ubiquitin activating enzyme? |
| A. | E1 |
| B. | E2 |
| C. | E3 |
| D. | E4 |
| Answer» B. E2 | |
| 6. |
THE_CDK1_ACTIVATES_WHICH_OF_THE_FOLLOWING_TYPE_OF_UBIQUITIN_ENZYMES??$ |
| A. | E1 |
| B. | E2 |
| C. | E3 |
| D. | E4 |
| Answer» D. E4 | |
| 7. |
Lysosomes does not have which one of the following properties?$ |
| A. | Membrane bound organelle |
| B. | Digestive enzymes |
| C. | Cell metabolism |
| D. | Carrier vesicles |
| Answer» E. | |
| 8. |
Ubiquitinization_always_leads_to_the_degradation_of_protein.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
For_the_process_of_autophagy_the_formation_of_vesicles_occurs._The_membrane_of_these_vesicles_are_derived_from____________ |
| A. | Nuclear membrane |
| B. | Cell membrane |
| C. | Mitochondria |
| D. | Golgi membrane |
| Answer» D. Golgi membrane | |
| 10. |
Which of the following is the substrate specific enzyme of the following? |
| A. | E1 |
| B. | E2 |
| C. | E3 |
| D. | E4 |
| Answer» D. E4 | |
| 11. |
The Ubiquitin-proteasome pathway is an active target for anticancer drugs. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Which of the following is an Ubiquitin activating enzyme? |
| A. | E1 |
| B. | E2 |
| C. | E3 |
| D. | E4 |
| Answer» B. E2 | |
| 13. |
The Ubiquitin-proteasome degradation pathway is an energy dependent process. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
Ubiquitin binds to the ___________ amino acid residue for degradation. |
| A. | Proline |
| B. | Lysine |
| C. | Serine |
| D. | Valine |
| Answer» C. Serine | |
| 15. |
Ubiquitin has ___________ of amino acids. |
| A. | 70 |
| B. | 75 |
| C. | 76 |
| D. | 72 |
| Answer» D. 72 | |
| 16. |
Ubiquitin degradation mechanism recognizes ____________ |
| A. | Cytosolic protein |
| B. | Nuclear protein |
| C. | Structural protein |
| D. | Both cytosolic and nuclear proteins |
| Answer» E. | |
| 17. |
How many types of protein degradation pathways are seen in a eukaryotic cell? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |