Nucleus may be ........ or .......... in shape.
Correct answer: A. Irregular, spherical
- A. Irregular, spherical
- B. Cylindrical, spherical
- C. Elongated, spherical
- D. Ellipsoidal, square
Explanation
The nucleus is primarily spherical in most cells, providing a compact and efficient space for genetic material. However, in certain white blood cells, such as neutrophils, eosinophils, and basophils, the nucleus can be irregular due to its lobed structure. This irregularity is crucial for the flexibility and motility needed for immune response. The other options include shapes like cylindrical or square, which are not typical for nuclear structure.
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About Cell Structure and Function
Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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