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 is the first membrane protein to have its amino acid sequence determined? |
| A. | Glycophorin A |
| B. | Glycophorin B |
| C. | Glycophorin C |
| D. | Glycophorin D |
| Answer» B. Glycophorin B | |
| 2. |
Band 3 and glycophorins are membrane proteins that contain ________________ |
| A. | carbohydrates |
| B. | sterols |
| C. | lipids |
| D. | nucleic acids |
| Answer» B. sterols | |
| 3. |
Hemolysis is associated with which type of cells? |
| A. | hepatocytes |
| B. | germ cells |
| C. | somatic cells |
| D. | red blood cells |
| Answer» E. | |
| 4. |
The sperm cell is covered by a _____________ |
| A. | sheath |
| B. | cell wall |
| C. | continuous membrane |
| D. | discontinuous membrane |
| Answer» D. discontinuous membrane | |
| 5. |
The use of optical tweezers in membrane biology was done to confirm the ________________ nature of membranes. |
| A. | self-replicating |
| B. | elastic |
| C. | inelastic |
| D. | photo-responsive |
| Answer» C. inelastic | |
| 6. |
Which type of molecules are used in SPT? |
| A. | organic dye |
| B. | inorganic dye |
| C. | antibodies |
| D. | gold particles |
| Answer» E. | |
| 7. |
Which phenomena are made use of in the technique FRAP? |
| A. | electrostatic |
| B. | photothermal |
| C. | hybridization |
| D. | fluorescence |
| Answer» E. | |
| 8. |
In the experiments to demonstrate the mobility of membrane proteins, which cells were fused with human cells? |
| A. | mouse cells |
| B. | drosophila cells |
| C. | tumor cells |
| D. | bacterial cells |
| Answer» B. drosophila cells | |
| 9. |
Cell fusion can be performed on two cells from different species. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Lipid rafts are patches of cholesterol and ________________ |
| A. | carbohydrates |
| B. | amino acids |
| C. | lipids |
| D. | sphingolipids |
| Answer» E. | |
| 11. |
Which of the following occurs in the membrane, when the temperature is lowered? |
| A. | denaturation |
| B. | desaturation |
| C. | saccharification |
| D. | glycolysis |
| Answer» C. saccharification | |
| 12. |
Which of the following molecules affects the mobility of fatty acyl chains in the plasma membrane? |
| A. | starch |
| B. | glycogen |
| C. | cholesterol |
| D. | carbohydrates |
| Answer» D. carbohydrates | |
| 13. |
The ___________ the degree of unsaturation of the fatty acids of the bilayer, the ___________ the temperature before the bilayer gels. |
| A. | greater, lower |
| B. | greater, more |
| C. | lesser, higher |
| D. | lesser, higher |
| Answer» B. greater, more | |
| 14. |
Which of the following attributes of the membrane is most affected at the transition temperature? |
| A. | size |
| B. | fluidity |
| C. | internal composition |
| D. | internal environment |
| Answer» C. internal composition | |
| 15. |
Fluidity and viscosity are the same. |
| A. | True |
| B. | False |
| Answer» C. | |