MCQOPTIONS
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MCQOPTIONS
This section includes 13 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 receptors allow ions such as Na+, K+, and Ca+2, etc. to pass through the membrane in response to the binding of a chemical messenger? |
| A. | Sodium/glucose co-transporter |
| B. | GLUT 1 |
| C. | Na<sup>+</sup>/K<sup>+</sup> ATPase |
| D. | Ionotropic receptors |
| Answer» E. | |
| 2. |
Transmembrane proteins cannot have which of the following role? |
| A. | Structural role |
| B. | Catalytic role |
| C. | Transport role |
| D. | Replicative role |
| Answer» E. | |
| 3. |
Who discovered Na+/K+ ATPase? |
| A. | Christian de Duve |
| B. | Landshulz |
| C. | Robert Hooke |
| D. | Jens Christian Skou |
| Answer» E. | |
| 4. |
Which of the following is true for sodium/glucose co-transporter? |
| A. | They transport glucose which has sodium ion attached |
| B. | It is an antiport protein |
| C. | It is a uniport protein |
| D. | It is a symport protein |
| Answer» E. | |
| 5. |
Which of the following is not a transporter protein? |
| A. | Na<sup>+</sup>/K<sup>+</sup> ATPase |
| B. | GLUT 1 |
| C. | Sodium/glucose co-transporter |
| D. | T cell receptor |
| Answer» E. | |
| 6. |
Which of the following is not true for Na+/K+ ATPase? |
| A. | 3 sodium ions are exported out |
| B. | 2 potassium ions are imported |
| C. | It uses ATP to function |
| D. | It is found in specific animal cells |
| Answer» E. | |
| 7. |
Which of the following proteins are involved in the transport of certain substances across lipid bilayer? |
| A. | Extracellular matrix proteins |
| B. | Peripheral proteins |
| C. | Lipid-anchored proteins |
| D. | Transmembrane proteins |
| Answer» E. | |
| 8. |
Which of the following is not a transmembrane protein? |
| A. | CD4 receptor |
| B. | T cell receptor |
| C. | B cell receptor |
| D. | JAKs |
| Answer» E. | |
| 9. |
All membrane receptors are transmembrane proteins. |
| A. | False |
| B. | True |
| Answer» C. | |
| 10. |
Intermediate filaments are linked to the cytoplasmic domain of which transmembrane protein? |
| A. | Selectins |
| B. | Integrins |
| C. | Members of IgSF |
| D. | Desmosomal cadherins |
| Answer» E. | |
| 11. |
Which of the following transmembrane protein is present in gap junctions? |
| A. | Selectins |
| B. | Integrins |
| C. | Cadherins |
| D. | Connexins |
| Answer» E. | |
| 12. |
Which of the following transmembrane proteins form tight junctions? |
| A. | Selectins and IgSF |
| B. | Cadherins and selectins |
| C. | Integrins and selectins |
| D. | Occludin and Claudins |
| Answer» E. | |
| 13. |
Which of the following integral membrane proteins mediate calcium-dependent cell-cell adhesion? |
| A. | Selectins |
| B. | Integrins |
| C. | IgSF members |
| D. | Cadherins |
| Answer» E. | |