The number of nuclear pores in the nuclei of differentiated cells such as erythrocytes is only:
Correct answer: C. 3-4 nuclear pores/nucleus
- A. 1-2 nuclear pores/nucleus
- B. 2-3 nuclear pores/nucleus
- C. 3-4 nuclear pores/nucleus
- D. 5-6 nuclear pores/nucleus
Explanation
A differentiated cell which have been assigned a specific role and is not destined to divide further is less active metabolically and need less guidance from chromosomes and genes. Thus have less nuclear pores for communication with nucleus.
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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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