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Multiple Choice
Which pair includes a phase of the cell cycle and a cellular process that occurs during that phase?
A
G1 phase, DNA replication.
B
G2 phase, preparation for mitosis.
C
S phase, cell division.
D
M phase, cell growth.
Verified step by step guidance
1
Understand the phases of the cell cycle: The cell cycle consists of interphase (G1, S, and G2 phases) and the M phase (mitosis). Each phase has specific processes associated with it.
G1 phase: This is the first gap phase where the cell grows and carries out normal functions. It prepares for DNA replication but does not replicate DNA itself.
S phase: This is the synthesis phase where DNA replication occurs. The cell synthesizes a complete copy of the DNA in its nucleus.
G2 phase: This is the second gap phase where the cell continues to grow and prepares for mitosis. It involves the synthesis of proteins and organelles necessary for cell division.
M phase: This is the mitotic phase where cell division occurs, including mitosis and cytokinesis. The cell divides its copied DNA and cytoplasm to form two new cells.