MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Aggregation of neurofilaments leads to ____________ |
| A. | vision disorders |
| B. | skin disorders |
| C. | lung disorders |
| D. | neurodegenerative disorders |
| Answer» E. | |
| 2. |
Epidermolysis bullosa simplex is caused by the deficiency of ____________ polypeptide. |
| A. | myosin |
| B. | keratin |
| C. | kinesin |
| D. | niacin |
| Answer» C. kinesin | |
| 3. |
Vimentin is a ___________ |
| A. | intermediate filament |
| B. | inherited disorder |
| C. | neurodegenerative disease |
| D. | microfilament |
| Answer» B. inherited disorder | |
| 4. |
Absence of the intermediate filament desmin, has a negative impact on _______________ |
| A. | hepatocytes |
| B. | nerve cells |
| C. | epithelial cells |
| D. | muscle cells |
| Answer» E. | |
| 5. |
Neurofilaments are the type _____ intermediate filaments. |
| A. | I |
| B. | II |
| C. | III |
| D. | IV |
| Answer» E. | |
| 6. |
Which is a type of intermediate filament found in epithelial cells? |
| A. | keratin |
| B. | dynein |
| C. | myosin |
| D. | kinesin |
| Answer» B. dynein | |
| 7. |
Intermediate filaments tend to be less sensitive to __________________ |
| A. | chemicals |
| B. | plectins |
| C. | acidification |
| D. | condensation |
| Answer» B. plectins | |
| 8. |
Intermediate filaments lack polarity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Unlike other cytoskeletal elements, in the assembly of intermediate filaments there is no requirement of ______________ |
| A. | ATP/ GDP |
| B. | Nucleation |
| C. | Reduction |
| D. | Hydrolysis |
| Answer» B. Nucleation | |
| 10. |
Plectins are _____________ |
| A. | filaments |
| B. | proteins |
| C. | peripheral organelles |
| D. | fibres |
| Answer» C. peripheral organelles | |
| 11. |
The type V intermediate filaments are called ___________ |
| A. | lamins |
| B. | collagen |
| C. | lignin |
| D. | fibrin |
| Answer» B. collagen | |
| 12. |
How many types of polypeptides are found in intermediate filaments? |
| A. | 2 |
| B. | 5 |
| C. | 10 |
| D. | 12 |
| Answer» C. 10 | |
| 13. |
Intermediate filaments are _________________ |
| A. | heterogenous |
| B. | homogenous |
| C. | labile |
| D. | weak |
| Answer» B. homogenous | |
| 14. |
Intermediate filaments are branched structures. |
| A. | True |
| B. | False |
| Answer» C. | |