In the human cell cycle, the S-phase lasts for:
Correct answer: C. 9 hours
- A. 30 minutes
- B. 10 hours
- C. 9 hours
- D. 4.5 hours
Explanation
The S-phase, during which DNA replicates, lasts-9 hours. G1-10 hrs, G2-4 hrs, M-1 hr.
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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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