MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the Mut H cuts the DNA at the 5 side of the mismatch then which nuclease is activated? |
| A. | Exonuclease VII |
| B. | Exonuclease VIII |
| C. | Exonuclease I |
| D. | Exonuclease IX |
| Answer» B. Exonuclease VIII | |
| 2. |
By which enzyme does E. coli tags its parental DNA strand? |
| A. | Methylase |
| B. | Polymerase |
| C. | Phosphorylase |
| D. | Acetylase |
| Answer» B. Polymerase | |
| 3. |
Mismatch repair system is ATP dependent. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The nicking of DNA is followed by the adherence of a helicase known as __________ |
| A. | Uvr D |
| B. | Uvr A |
| C. | Uvr B |
| D. | Uvr C |
| Answer» B. Uvr A | |
| 5. |
Mut S recruits how many component(s) to the mismatched site? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |