MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
What is the radius of the tight junctions? |
| A. | 3 Å |
| B. | 4 Å |
| C. | 5 Å |
| D. | 6 Å |
| Answer» C. 5 Å | |
| 2. |
Which of the following is the first observed tight junction proteins? |
| A. | Zonula occludens – 1 |
| B. | Zonula occludens – β |
| C. | Zonula occludens – A |
| D. | Zonula occludens – α |
| Answer» B. Zonula occludens – β | |
| 3. |
Leaky epithelium is present in bile ducts. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
The endocytosis happens in the apical surface and the exocytosis happens in the basolateral surface. |
| A. | True |
| B. | Fals |
| Answer» B. Fals | |
| 5. |
Which of the following protein is present in large amount in tight junctions? |
| A. | Albumin |
| B. | Globulin |
| C. | Claudin |
| D. | Elastin |
| Answer» D. Elastin | |
| 6. |
Which of the following is defined by the tight junctions? |
| A. | Efficiency of drugs |
| B. | Diffusion of drugs |
| C. | Breakdown of drugs |
| D. | Absorption of drugs |
| Answer» C. Breakdown of drugs | |
| 7. |
Which of the following contains tight junctions? |
| A. | Chordates |
| B. | Arthropods |
| C. | Nematodes |
| D. | Molluscs |
| Answer» B. Arthropods | |