MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following products of RNA editing plays an important role in the absorption of fats? |
| A. | apolipoprotein B-48 |
| B. | apolipoprotein B-44 |
| C. | apolipoprotein B-30 |
| D. | apolipoprotein B- 34 |
| Answer» B. apolipoprotein B-44 | |
| 2. |
RNA editing is particularly important in the ________________ |
| A. | digestive system |
| B. | reproductive system |
| C. | nervous system |
| D. | circulatory system |
| Answer» D. circulatory system | |
| 3. |
RNA editing is the mechanism in which specific amino acids are converted after _______________ |
| A. | transcription |
| B. | translation |
| C. | mutation |
| D. | splicing |
| Answer» B. translation | |
| 4. |
A single gene can encode two or more related proteins by the process of _________________ |
| A. | gene silencing |
| B. | alternative splicing |
| C. | recombination |
| D. | transcription |
| Answer» C. recombination | |
| 5. |
Prader-Willi syndrome (PWS) is caused due to disturbances in which of the following chromosomes? |
| A. | 15 |
| B. | 16 |
| C. | 19 |
| D. | 21 |
| Answer» B. 16 | |
| 6. |
Which of the following majorly influences the activity of genes during early mammalian development? |
| A. | temperature changes |
| B. | homeostasis |
| C. | stimulation |
| D. | inheritance |
| Answer» E. | |
| 7. |
Expression of genes is also regulated by distant DNA elements called _________________ |
| A. | enhancers |
| B. | activators |
| C. | promoters |
| D. | inhibitors |
| Answer» B. activators | |
| 8. |
Glucocorticoids are released during periods of __________________ |
| A. | stress |
| B. | maturation |
| C. | climate change |
| D. | gastrulation |
| Answer» B. maturation | |
| 9. |
Analogues of glucocorticoids are prescribed as ________________ agents. |
| A. | sedative |
| B. | anti-fertility |
| C. | anti-inflammatory |
| D. | anti-aging |
| Answer» D. anti-aging | |
| 10. |
Microarrays used in the ChIP experiments contain non-coding DNA. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Chromatin immuno-precipitation is induced by _____________________ |
| A. | antigens |
| B. | antibodies |
| C. | anti-histamines |
| D. | anti-allergens |
| Answer» C. anti-histamines | |
| 12. |
Which enzyme is used to kill the cells in genome-wide location analysis? |
| A. | luciferase |
| B. | endonuclease |
| C. | exonuclease |
| D. | formaldehyde |
| Answer» E. | |
| 13. |
Which type of enzymes is used in DNA footprinting? |
| A. | RNA-digesting enzymes |
| B. | RNA polymerases |
| C. | DNA polymerases |
| D. | DNA-digesting enzymes |
| Answer» E. | |
| 14. |
Deletion maps are used to determine sites in the genome which interact with ___________________ |
| A. | transcription factors |
| B. | polymerase |
| C. | ribonuclease |
| D. | endonuclease |
| Answer» B. polymerase | |
| 15. |
Which of the following is not a proximal promoter element? |
| A. | TATA |
| B. | GC |
| C. | AT |
| D. | CAAT |
| Answer» D. CAAT | |