MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 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. |
The long tail of As is unique to the RNA synthesized by the RNA polymerase __________ |
| A. | I |
| B. | II |
| C. | III |
| D. | IV |
| Answer» C. III | |
| 2. |
About how many “A” are added to the nascent RNA in the 5’ end during Polyadenylation? |
| A. | 100 |
| B. | 200 |
| C. | 300 |
| D. | 0 |
| Answer» E. | |
| 3. |
As the polymerase reaches the end of RNA which of the following event does not occur as a response? |
| A. | Transfer of Polyadenylation enzyme |
| B. | Cleavage of the RNA |
| C. | Addition of poly A at the 3’ end |
| D. | Termination of transcription |
| Answer» D. Termination of transcription | |
| 4. |
Capping occurs after the mRNA synthesis is complete. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
AS_THE_POLYMERASE_REACHES_THE_END_OF_RNA_WHICH_OF_THE_FOLLOWING_EVENT_DOES_NOT_OCCUR_AS_A_RESPONSE??$ |
| A. | Transfer of Polyadenylation enzyme |
| B. | Cleavage of the RNA |
| C. | Addition of poly A at the 3’ end |
| D. | Termination of transcription |
| Answer» D. Termination of transcription | |
| 6. |
The long tail of As is unique to the RNA synthesized by the RNA polymerase __________$ |
| A. | I |
| B. | II |
| C. | III |
| D. | IV |
| Answer» C. III | |
| 7. |
About how many “A” are added to the nascent RNA in the 5’ end during Polyadenylation?$# |
| A. | 100 |
| B. | 200 |
| C. | 300 |
| D. | 0 |
| Answer» E. | |
| 8. |
Capping occurs after the mRNA synthesis is complete? |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Capping is done by the addition of __________ |
| A. | Methylated A |
| B. | Methylated T |
| C. | Methylated G |
| D. | Methylated C |
| Answer» D. Methylated C | |
| 10. |
The first RNA processing event is __________ |
| A. | Capping |
| B. | Tailing |
| C. | Splicing |
| D. | Editing |
| Answer» B. Tailing | |
| 11. |
Elongation of transcription and RNA processing are all interconnected. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Which of the following is not a type of RNA processing? |
| A. | Polyadenylation at the 3’ end |
| B. | Capping of 5’ end |
| C. | Removal of exons |
| D. | Splicing |
| Answer» D. Splicing | |
| 13. |
Splicing of mRNA occurs after they arrive the cytoplasm. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
rRNA and tRNA of prokaryotes does not undergo any post transcriptional processing. |
| A. | True |
| B. | False |
| Answer» C. | |
| 15. |
mRNA of which of the following organism does not undergo processing? |
| A. | Human |
| B. | Yeast |
| C. | Bacteria |
| D. | Fungi |
| Answer» D. Fungi | |