Mark the following statements as true (T) or false (F) and select the correct option :
A. Acrocentric chromosome appears J-shaped during anaphase.
B. Centromere holds two chromatids together.
C. Outer membrane of nucleus is connected with SER only.
A | B | C | |
1. | T | F | F |
2. | F | T | T |
3. | T | T | F |
4. | F | F | T |
In the following diagram, select the part correctly matched with its character or function.
1. A - The passage through the movement of RNA and protein molecules take place in both directions
2. B - Frequently observed in cells actively involved in lipids synthesis and secretion
3. C - Membrane-bound structures composed of deoxyribonucleic acid and proteins
4. D - Provide surface for DNA and protein synthesis
Consider the following statements:
I. | Nucleoplasm contains nucleolus and chromatin |
II. | The nucleolus is separated from the rest of the nucleoplasm by a membrane |
III. | The nucleolus is produced from and associated with a specific nucleolar organizing region of certain chromosomes |
IV. | The nucleolus is the site of rRNA synthesis. |
Which of the above statements are true?
1. I, II, III and IV
2. I, II and IV
3. I, III and IV
4. II, III and IV