Multiple Choice
Which of the following best describes what occurs during interphase in the cell cycle?
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11. Cell Division
Interphase
Multiple Choice
Which of the following correctly matches each phase of interphase with its primary cellular activity?
A
G1 phase: preparation for mitosis; S phase: cell division; G2 phase: DNA replication
B
G1 phase: cell growth; S phase: DNA replication; G2 phase: preparation for mitosis
C
G1 phase: DNA replication; S phase: cell growth; G2 phase: mitosis
D
G1 phase: mitosis; S phase: preparation for mitosis; G2 phase: cell growth
Verified step by step guidance1
Step 1: Understand the concept of interphase in the cell cycle. Interphase is the phase where the cell prepares for division and consists of three subphases: G1, S, and G2.
Step 2: Clarify the primary activities of each subphase. In the G1 phase, the cell grows and performs normal metabolic activities. In the S phase, DNA replication occurs, ensuring that each daughter cell will have a complete set of genetic material. In the G2 phase, the cell prepares for mitosis by synthesizing proteins and organelles needed for cell division.
Step 3: Analyze the options provided in the problem. Match the descriptions of each phase with their correct primary activities based on the biological understanding of interphase.
Step 4: Eliminate incorrect options. For example, G1 phase does not involve DNA replication or mitosis, S phase does not involve cell growth, and G2 phase does not involve DNA replication or mitosis directly.
Step 5: Identify the correct answer based on the accurate descriptions of each phase: G1 phase corresponds to cell growth, S phase corresponds to DNA replication, and G2 phase corresponds to preparation for mitosis.
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