MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Antibody -coated gold particles are used in _______________ |
| A. | FRAP |
| B. | SPT |
| C. | X-ray crystallography |
| D. | Cannot be determined |
| Answer» C. X-ray crystallography | |
| 2. |
FRAP is a technique to detect ___________ |
| A. | Membrane proteins |
| B. | Transporting ions |
| C. | Cholesterol patches |
| D. | Cannot be determined |
| Answer» B. Transporting ions | |
| 3. |
GPI- anchored proteins show particular affinity towards ________ |
| A. | Cholesterol |
| B. | Hydrophobic tail |
| C. | Lipid rafts |
| D. | Phosphatidylserine |
| Answer» D. Phosphatidylserine | |
| 4. |
Greater degree of unsaturation in fatty acids of cell membrane _________ |
| A. | Lowers the transition temperature |
| B. | Raises the transition temperature |
| C. | Has no effect on transition temperature |
| D. | Doubles the transition temperature |
| Answer» B. Raises the transition temperature | |
| 5. |
The channel in a membrane protein by which an ion or molecule can be transported in and out of the cell membrane is known as ___________ |
| A. | Permeation pathway |
| B. | Permeate channel |
| C. | Permeation channel |
| D. | Channel pathway |
| Answer» B. Permeate channel | |
| 6. |
Hydropathy plot helps to _______________ |
| A. | Identify hydrophobic amino acids |
| B. | Determine arrangement of amino acids in a transmembrane protein |
| C. | Provides an average hydrophobicity of short peptide segments |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
Transmembrane domain of a transmembrane protein is present as _______________ |
| A. | Alpha-helix |
| B. | Beta-sheet |
| C. | Triple beta-sheet |
| D. | None of the mentioned |
| Answer» B. Beta-sheet | |
| 8. |
The concept of transmembrane proteins was obtained from the results of which technique? |
| A. | Freeze-fraction replication |
| B. | Freeze-fracture replication |
| C. | Fraction replication |
| D. | None of the mentioned |
| Answer» C. Fraction replication | |
| 9. |
Integral proteins are also known as ____________ |
| A. | Intrinsic proteins |
| B. | Glycosylated proteins |
| C. | Transmembrane proteins |
| D. | Bilayer proteins |
| Answer» D. Bilayer proteins | |
| 10. |
Which of the following is covalently attached to a lipid molecule in cell membrane? |
| A. | Integral protein |
| B. | Transmembrane protein |
| C. | Peripheral protein |
| D. | Lipid-anchored protein |
| Answer» E. | |