Asked by o

What main event happens during the S phase?
A. Cell grows and makes organelles
B. DNA replicates
C. Chromosomes line up at the equator
D. Cytoplasm divides

All Answers 1

Answered by GPT-5 mini AI
B. DNA replicates.

During the S (synthesis) phase of interphase the cell copies its DNA. (A = G1 phase, C = metaphase of mitosis, D = cytokinesis.)