MCQOPTIONS
Saved Bookmarks
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. |
Cyclin binding leads to a change in the _________________ of kinase. |
| A. | pH |
| B. | temperature |
| C. | concentration |
| D. | conformation |
| Answer» E. | |
| 2. |
The regulatory subunit of maturation-promoting factor (MPF) is called _______________ |
| A. | kinase |
| B. | cyclin |
| C. | tetracyclin |
| D. | interleukin |
| Answer» C. tetracyclin | |
| 3. |
The entry of a cell into M phase is initiated by _________________ |
| A. | interleukin factor |
| B. | maturation promoting factor |
| C. | transcription factor |
| D. | necrosis factor |
| Answer» C. transcription factor | |
| 4. |
What will happen if a G2 phase cell is fused with an M phase cell? |
| A. | premature chromosome compaction |
| B. | chromosome aggregation |
| C. | gene transcription |
| D. | inhibition of transcription |
| Answer» B. chromosome aggregation | |
| 5. |
When were the experiments in an effort to understand cell cycle regulation first conducted? |
| A. | 1970s |
| B. | 1980s |
| C. | 1990s |
| D. | 2000s |
| Answer» B. 1980s | |
| 6. |
Cells that have stopped dividing and are arrested in a state preceding that of DNA synthesis, are said to be in the__________ |
| A. | S phase |
| B. | G<sub>1</sub> phase |
| C. | G<sub>0</sub> phase |
| D. | G<sub>2</sub> phase |
| Answer» D. G<sub>2</sub> phase | |
| 7. |
Which of the following cells are capable of asymmetric cell division? |
| A. | Hepatocytes |
| B. | Epithelial cells |
| C. | Stem cells |
| D. | Neurons |
| Answer» D. Neurons | |
| 8. |
Which of the following cells do not usually divide but can be induced to divide? |
| A. | red blood cells |
| B. | liver cells |
| C. | hair cells |
| D. | hair follicles |
| Answer» C. hair cells | |
| 9. |
Which of the following cells do not lack the ability to divide? |
| A. | skin cells |
| B. | nerve cells |
| C. | muscle cells |
| D. | red blood cells |
| Answer» B. nerve cells | |
| 10. |
DNA replication occurs during _________________ of the cell cycle. |
| A. | S phase |
| B. | Interphase |
| C. | G<sub>2</sub> phase |
| D. | G<sub>0</sub> phase |
| Answer» B. Interphase | |
| 11. |
DNA replication can be monitored by incorporation of ______________________ |
| A. | tyrosine |
| B. | thymidine |
| C. | cytosine |
| D. | nitite |
| Answer» C. cytosine | |
| 12. |
Asynchronous cultures are the ones whose cells are _______________________ |
| A. | of different origin |
| B. | randomly distributed through the cell cycle |
| C. | have different genomic content |
| D. | have different nutrient requirements |
| Answer» C. have different genomic content | |
| 13. |
Meiosis produces cells that have half the genetic content as their parent cells. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
There are ______ major phases in a cell cycle. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 15. |
Which term is used to refer to a period between the cell divisions? |
| A. | M phase |
| B. | G<sub>0</sub> phase |
| C. | Interphase |
| D. | Resting phase |
| Answer» D. Resting phase | |