Multiple Choice
In the eukaryotic cell cycle, which phase includes G1, S, and G2?
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16. Cell Division
Overview of the Cell Cycle
Multiple Choice
In a typical eukaryotic cell, what is the correct order of the cell cycle phases (including mitosis and cytokinesis)?
A
G1 phase → M phase (mitosis) → S phase → G2 phase → cytokinesis
B
S phase → G1 phase → G2 phase → M phase (mitosis) → cytokinesis
C
G1 phase → G2 phase → S phase → M phase (mitosis) → cytokinesis
D
G1 phase → S phase → G2 phase → M phase (mitosis) → cytokinesis
Verified step by step guidance1
Step 1: Understand the cell cycle phases. The cell cycle consists of interphase (which includes G1, S, and G2 phases) followed by the M phase (mitosis) and cytokinesis.
Step 2: Identify the order of events in interphase. First, the cell grows and performs normal functions during G1 phase, then DNA replication occurs during S phase, and finally, the cell prepares for mitosis during G2 phase.
Step 3: Recognize that mitosis (M phase) follows interphase and is the process where the cell divides its duplicated chromosomes into two daughter nuclei.
Step 4: Understand that cytokinesis is the final step where the cytoplasm divides, resulting in two separate daughter cells.
Step 5: Combine these phases in the correct sequence: G1 phase → S phase → G2 phase → M phase (mitosis) → cytokinesis.
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