MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the range of telomere suppression? |
| A. | 1kb |
| B. | 3kb |
| C. | 4kb |
| D. | 10kb |
| Answer» D. 10kb | |
| 2. |
You transfer the DAM gene to the telomere of yeast. What will be your expected result? |
| A. | Methylation at the A sites in specific sequence |
| B. | Methylation at the C sites in specific sequence |
| C. | No methylation at the A sites in specific sequence |
| D. | No methylation at the C sites in specific sequence |
| Answer» D. No methylation at the C sites in specific sequence | |
| 3. |
Which of these SIR proteins are having HDAC activity? |
| A. | SIR1 |
| B. | SIR2 |
| C. | SIR3 |
| D. | SIR4 |
| Answer» C. SIR3 | |
| 4. |
RAP1 binds to ____________ |
| A. | At the loop between enhancer and promoter |
| B. | Linear repeated sequences |
| C. | At the nuclosomes in telomere region |
| D. | Specific sequences at telomere |
| Answer» C. At the nuclosomes in telomere region | |
| 5. |
Under which condition will the yeast express a-alpha mating type? |
| A. | HAT activation |
| B. | TBP activation |
| C. | HDAC inactivation |
| D. | HAT inactivation |
| Answer» E. | |
| 6. |
If a parent yeast is of mating type a, what will be the mating type of its bud? |
| A. | a |
| B. | alpha |
| C. | rho |
| D. | a-alpha |
| Answer» C. rho | |
| 7. |
Yeast mating factor alpha is located in _________________ |
| A. | HMR |
| B. | MAT |
| C. | HML |
| D. | HAT |
| Answer» D. HAT | |
| 8. |
A eukaryotic cell can divide only a limited number of times. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
We know that loss of DNA bases is highly mutagenic. But a loss of DNA bases from which region will not have much affect at all? |
| A. | Centromere |
| B. | Satellite region |
| C. | Hot spots for recombination |
| D. | Telomeres |
| Answer» E. | |
| 10. |
RAP1 has a ___________________ |
| A. | Positive effect on transcription |
| B. | No effect on transcription |
| C. | Negative effect on transcription |
| D. | Immensely positive effect on transcription |
| Answer» D. Immensely positive effect on transcription | |