MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
Active cyclin dependent kinase is absent in ____________ phase. |
| A. | G1 |
| B. | S |
| C. | G2 |
| D. | Division |
| Answer» B. S | |
| 2. |
The pre – RCs are auto-activated as soon as the cell enters the S – phase. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The replicator selection is mediated by the formation of pre-replicative complex. It comprises of _________________ |
| A. | ORC and the initiator protein |
| B. | ORC and helicase |
| C. | A helicase loader and a helicase |
| D. | An ORC, two helicase loaders and a helicase |
| Answer» E. | |
| 4. |
Selection of replicator occurs in ___________ phase. |
| A. | G1 |
| B. | S |
| C. | G2 |
| D. | Division |
| Answer» B. S | |
| 5. |
Replication of chromosome occurs during the ____________ phase. |
| A. | G1 |
| B. | S |
| C. | G2 |
| D. | Division |
| Answer» C. G2 | |
| 6. |
Active cyclin dependent kinase is absent in ____________phase? |
| A. | G1 |
| B. | S |
| C. | G2 |
| D. | Division |
| Answer» B. S | |
| 7. |
Which of the following is wrong about the cyclin dependent kinases? |
| A. | Phosphorylates enzymes |
| B. | Activates pre – RCs |
| C. | Promotes formation of new pre – RCs |
| D. | Activates in the S – phase |
| Answer» D. Activates in the S ‚Äö√Ñ√∂‚àö√ë‚àö¬® phase | |
| 8. |
The pre – RCs are auto – activated as soon as the cell enters the S – phase .$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
The replicator selection is mediated by the formation of pre – replicative complex. It comprises of _________________$ |
| A. | ORC and the initiator protein |
| B. | ORC and helicase |
| C. | A helicase loader and a helicase |
| D. | An ORC, two helicase loaders and a helicase |
| Answer» E. | |
| 10. |
Activation of the origin of replication occurs in ____________ phase. |
| A. | G1 |
| B. | S |
| C. | G2 |
| D. | Division |
| Answer» C. G2 | |
| 11. |
Selection of replicator occurs in ___________phase. |
| A. | G1 |
| B. | S |
| C. | G2 |
| D. | Division |
| Answer» B. S | |
| 12. |
It is important to replicate the DNA correctly and only once. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Replication of chromosome occurs during the____________ phase. |
| A. | G1 |
| B. | S |
| C. | G2 |
| D. | Division |
| Answer» C. G2 | |