MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Protein Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following class of transmembrane proteins some members involved in immune functions and some members having a role in cell-cell adhesion? |
| A. | Cadherins |
| B. | Integrins |
| C. | Selectins |
| D. | Members of IgSF |
| Answer» E. | |
| 2. |
Which of the following transmembrane protein is reduced in malignant cells? |
| A. | Integrins |
| B. | Selectins |
| C. | IgSF proteins |
| D. | E-cadherins |
| Answer» E. | |
| 3. |
Which of the following integral membrane protein is not involved in the inflammation process? |
| A. | Integrin |
| B. | Selectin |
| C. | ICAM |
| D. | Glycophorin |
| Answer» E. | |
| 4. |
Which of the following integral membrane proteins can transmit signals from the extracellular environment to the cytoplasm? |
| A. | Integrins only |
| B. | Catherins only |
| C. | Laminins |
| D. | Integrins and Catherins |
| Answer» E. | |
| 5. |
One of the roles of integral membrane proteins is to transfer information across the plasma membrane. |
| A. | False |
| B. | True |
| Answer» C. | |
| 6. |
Which of the following is not an integral membrane protein? |
| A. | Selectin |
| B. | Integrin |
| C. | Cadherins |
| D. | RAS proteins |
| Answer» E. | |
| 7. |
Which of the following is an integral plasma membrane protein? |
| A. | Fibrinogen |
| B. | Collagen |
| C. | Laminin |
| D. | Integrins |
| Answer» E. | |
| 8. |
Which of the following is not a function of the basement membrane? |
| A. | Surrounds nerve fibers, muscles, and fat cells |
| B. | Underlies the basal surface of epithelial tissue |
| C. | Underlies the inner endothelial lining of blood vessels |
| D. | Covers nuclear lamina |
| Answer» E. | |
| 9. |
The basement membrane is one of the best-defined extracellular matrices. |
| A. | False |
| B. | True |
| Answer» C. | |
| 10. |
Which of the following is present beyond the immediate vicinity of the plasma membrane? |
| A. | Chloroplast |
| B. | Nucleus |
| C. | Vacuum |
| D. | ECM |
| Answer» E. | |
| 11. |
Which of the following is not mediated by glycocalyx? |
| A. | Cell-cell interaction |
| B. | Mechanical protection to the cell |
| C. | Cell-substratum interaction |
| D. | Gap junction |
| Answer» E. | |
| 12. |
Who proposed the Fluid Mosaic Model of the plasma membrane? |
| A. | Rudolf Virchow |
| B. | Meselson and Stahl |
| C. | Schleiden and Schwann |
| D. | Singer and Nicolson |
| Answer» E. | |
| 13. |
Most of the membrane proteins have which of the following domains? |
| A. | Metal-binding domain |
| B. | Immunoglobulin domain |
| C. | SH2 domain |
| D. | Transmembrane domain |
| Answer» E. | |
| 14. |
Virtually all integral membrane proteins bear chains of sugars (oligosaccharides) of variable length that project outward from the plasma membrane. |
| A. | False |
| B. | True |
| Answer» C. | |