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Multiple Choice
During what phase of the cell cycle do mitosis and cytokinesis occur?
A
M phase
B
S phase
C
G1 phase
D
G2 phase
Verified step by step guidance
1
Understand the cell cycle: The cell cycle consists of several phases that a cell goes through to divide and produce new cells. These phases include G1, S, G2, and M phase.
Identify the purpose of each phase: G1 phase is the first gap phase where the cell grows and prepares for DNA replication. S phase is where DNA replication occurs. G2 phase is the second gap phase where the cell prepares for mitosis. M phase is where mitosis and cytokinesis occur.
Focus on M phase: M phase is the mitotic phase, which includes mitosis and cytokinesis. Mitosis is the process of nuclear division, and cytokinesis is the division of the cytoplasm, resulting in two daughter cells.
Differentiate between mitosis and cytokinesis: Mitosis consists of several stages (prophase, metaphase, anaphase, and telophase) where the chromosomes are separated into two nuclei. Cytokinesis follows mitosis and completes the cell division process.
Conclude with the correct phase: Based on the understanding of the cell cycle, mitosis and cytokinesis occur during the M phase.