MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
In SOS repair system cleavage of LexA and UmuD is mediated by ___________ |
| A. | RecB |
| B. | RecA |
| C. | RecC |
| D. | UvrA |
| Answer» C. RecC | |
| 2. |
In eukaryotes the other name of PCNA is __________ |
| A. | Sliding clamp |
| B. | Sliding clamp loader |
| C. | Replicative DNA polymerase |
| D. | Translesional DNA polymerase |
| Answer» B. Sliding clamp loader | |
| 3. |
The genes encoding the translesional polymerases are expressed as part of a pathway known as the SOS response. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
In humans which DNA polymerase is involved? |
| A. | DNA polymerase |
| B. | DNA polymerase |
| C. | DNA polymerase |
| D. | DNA polymerase |
| Answer» B. DNA polymerase | |
| 5. |
What is the main enzyme that plays a major role in formation of thymine dimer? |
| A. | DNA glycosylase |
| B. | DNA photolyase |
| C. | DNA gyrase |
| D. | DNA ligase |
| Answer» C. DNA gyrase | |