General Science • BiologyEasy
Which phase of the cell cycle involves the duplication of nuclear DNA prior to cell division?
A. G1 phase
B. S phase✓ Correct Answer
C. G2 phase
D. M phase
💡 Solution & Explanation
The synthesis phase, commonly known as the S phase, occurs during interphase of the cell cycle, specifically dedicated to the replication of nuclear DNA and the duplication of chromosomal proteins. During this phase, the amount of DNA per cell doubles while the ploidy level remains unchanged.
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