MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
5 |GAAGTTCCTATGC||CGAAGTTCCTATTC||TCTAGAAA||GTATAGGAACTTC 3
|
| A. | n If the DNA segments are named a, b, c and d respectively; and d is in opposite orientation to a and b, which of the following is dispensable for recombianse action? |
| B. | a |
| C. | b |
| D. | c |
| E. | d |
| Answer» B. a | |
| 2. |
Excision of the lamda phage genome from bacterial genome requires IHF and _______________ |
| A. | Integrase from phage and XIS from bacteria |
| B. | FIS from phage and XIS from bacteria |
| C. | FIS from phage and INT from bacteria |
| D. | XIS from phage and FIS from bacteria |
| Answer» E. | |
| 3. |
Integration of the phage into bacterial genome requires__________________ |
| A. | Integrase and XIS |
| B. | Integrase and IHF |
| C. | XIS and IHF |
| D. | XIS and FIS |
| Answer» C. XIS and IHF | |
| 4. |
If there is a flanking region between two similarly oriented LoxP sequence, what will be its fate on site-specific recombination? |
| A. | It will remain as it is |
| B. | It will be inserted |
| C. | It will be excised out |
| D. | The regions surrounding it will be exchanged |
| Answer» D. The regions surrounding it will be exchanged | |