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Multiple Choice
Which of the following shows the correct sequence of the cell cycle?
A
M, G1, S, G2
B
S, G1, M, G2
C
G2, M, G1, S
D
G1, S, G2, M
Verified step by step guidance
1
Begin by understanding the cell cycle, which is the series of phases that a cell goes through to divide and produce new cells. The main phases are G1, S, G2, and M.
The G1 phase is the first gap phase where the cell grows and carries out normal functions. It prepares for DNA replication.
Next is the S phase, where DNA replication occurs. The cell synthesizes a complete copy of the DNA in its nucleus.
Following the S phase is the G2 phase, the second gap phase. Here, the cell continues to grow and prepares for mitosis, checking for any DNA damage and repairing it if necessary.
Finally, the M phase, or mitosis, is where the cell divides its copied DNA and cytoplasm to form two new cells. This phase includes prophase, metaphase, anaphase, and telophase.