MCQOPTIONS
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MCQOPTIONS
This section includes 9 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 of the following is caused by cadherin disorder? |
| A. | Zellweger syndrome |
| B. | Usher syndrome |
| C. | Bubble boy syndrome |
| D. | Down s syndrome |
| Answer» C. Bubble boy syndrome | |
| 2. |
Where is the CDH3 gene expressed? |
| A. | Bone marrow |
| B. | Lymph nodes |
| C. | Neurons |
| D. | Placenta |
| Answer» E. | |
| 3. |
What is epithelial mesenchymal transistion? |
| A. | Loss of adhesion and gain of migration |
| B. | Loss of migration and gain of adhesion |
| C. | Lysis of cell |
| D. | Formation of mesenchymal cells |
| Answer» B. Loss of migration and gain of adhesion | |
| 4. |
Which of the following has abundant protocadherins? |
| A. | Circulatory system |
| B. | Reproductive system |
| C. | Nervous system |
| D. | Coordination system |
| Answer» D. Coordination system | |
| 5. |
Cadherins are 720-750 amino acids long. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
What ions is required for the function of cadherins? |
| A. | Ca<sup>2+</sup> |
| B. | Na<sup>+</sup> |
| C. | K<sup>+</sup> |
| D. | H<sup>+</sup> |
| Answer» B. Na<sup>+</sup> | |
| 7. |
In an immunoglobulin, the heavy chains and the light chains are held together by ____________ |
| A. | Diphosphate bond |
| B. | Dichloride bond |
| C. | Disulphide bond |
| D. | Dihydroxide bond |
| Answer» D. Dihydroxide bond | |
| 8. |
What is the range of amino acids present in an immunoglobulin molecule? |
| A. | 50-110 |
| B. | 70-110 |
| C. | 60-10 |
| D. | 80-110 |
| Answer» C. 60-10 | |
| 9. |
Which of the following immunoglobulin is naturally given to the fetus? |
| A. | IgG |
| B. | IgM |
| C. | IgD |
| D. | IgE |
| Answer» B. IgM | |