MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Methylated DNA doesn’t form kink as________________ |
| A. | As they don’t fit in the active site |
| B. | The enzyme recognized methylated A as different base than non-methylated A |
| C. | They are less flexible so no kink is formed |
| D. | They don’t interact with the side chains in an active site |
| Answer» E. | |
| 2. |
The Mg2+ ion in restriction endonuclease is not bound to ________ |
| A. | Water molecule |
| B. | Carboxylates of the enzymes aspertate group |
| C. | Oxygen |
| D. | Histidine |
| Answer» E. | |
| 3. |
Which of these restriction enzymes generate 3’ overhang? |
| A. | Sph1 |
| B. | EcoR1 |
| C. | Sma1 |
| D. | Xma1 |
| Answer» B. EcoR1 | |
| 4. |
What does this sequence GC/GGCCGC recognized and cleaves by Not1 Doesn’t agree to? |
| A. | The cleavage is after the 2nd C from 5’ end |
| B. | The cleavage generates a 5’ overhang |
| C. | This sequence has a probability of occurrence in every 1024 bases |
| D. | This cleavage is asymmetric |
| Answer» D. This cleavage is asymmetric | |