How does a nucleus in G2 differ from a nucleus in G1?
a. The G2 nucleus has double the amount of DNA as the G1 nucleus.
b. DNA synthesis occurs only in the G1 phase.
c. Inactive cells are arrested only in the G2 phase.
d. During G2, the cell prepares for S phase.
e. All of the above
Ans: a. The G2 nucleus has double the amount of DNA as the G1 nucleus.
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