MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
RNA pol II will be isolated from the nuclear parts outside the nucleolus. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The rRNA primary transcript is located in________ |
| A. | Nucleus |
| B. | NOR |
| C. | Cytoplasm |
| D. | Nuclear pore |
| Answer» C. Cytoplasm | |
| 3. |
Which of the following is not a normal processing step of the tRNA? |
| A. | The 3 end U is replaced by CCA |
| B. | The Purines are methylated and isopentyl groups are transferred to them |
| C. | The 3 OH is methylated |
| D. | U bases at specific sites are converted to pseudo uridine, ribo thimidine or dihydrouridine |
| Answer» D. U bases at specific sites are converted to pseudo uridine, ribo thimidine or dihydrouridine | |
| 4. |
The 5 end of the tRNA transcript is cleaved by____________ |
| A. | RNase K |
| B. | Exonuclease VII |
| C. | Endonucleace I |
| D. | Rnase P |
| Answer» E. | |
| 5. |
Which one of the following characters doesn t go along with tRNA? |
| A. | Its primary transcript is processed by proteins |
| B. | The cleavage at the 5 and 3 end of the intron is simultaneous |
| C. | The introns are seen in yeast and they are larger than exons |
| D. | ATP and GTP hydrolysis joins the two RNA halves at the two ends of the introns |
| Answer» D. ATP and GTP hydrolysis joins the two RNA halves at the two ends of the introns | |
| 6. |
The pre-rRNA transcript transcribed by the RNA pol Idoesn t include_________ |
| A. | 18S |
| B. | 5S |
| C. | 5.8S |
| D. | 28S |
| Answer» C. 5.8S | |