During the S phase in the cell cycle, the chromosomes are replicated so that there are two copies. These copies are necessary so that each daughter cell created during the M phase will have an identical copy of the DNA.
Therefore, the answer is A: The DNA must be replicated.
The chromosomes joining, cell membrane expanding, and cytoplasm separating all happen during the M phase (mitosis).
Answer:
Deliver water, nutrients, amino acids, etc to the rest of the plant, and afir machanical supoort
The answer is microspore and megaspore. hope that helped
