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. |
Hybrid dysgenesis is caused by which of the following transposable element? |
| A. | Non-composite transposon |
| B. | LINE |
| C. | P-element |
| D. | Ac-element |
| Answer» D. Ac-element | |
| 2. |
Which of the following about the P-element is false? |
| A. | 25 bp inverted repeats |
| B. | 2907 bp long element |
| C. | Encodes for transposase |
| D. | DNA transposon |
| Answer» B. 2907 bp long element | |
| 3. |
Which of the following is a non-composite transposon? |
| A. | Tn5 |
| B. | Tn10 |
| C. | Tn3 |
| D. | Tn9 |
| Answer» D. Tn9 | |
| 4. |
The central block of the composite transposable element consists a gene for __________ |
| A. | Transposase |
| B. | Antibiotic resistance |
| C. | Integrase |
| D. | Lactamase |
| Answer» C. Integrase | |
| 5. |
Transposase restriction mechanism of the IS element restricts the transposon and the target DNA in a combination of which of the following? |
| A. | Blunt end cut for transposon and sticky end cut for target DNA |
| B. | Blunt end cut for both transposon and target DNA |
| C. | Sticky end cut for transposon and blunt end cut for target DNA |
| D. | Sticky end cut for both transposon and target DNA |
| Answer» B. Blunt end cut for both transposon and target DNA | |