Multiple Choice
In an actively dividing eukaryotic cell, which phase is typically the longest portion of the cell cycle?
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16. Cell Division
Overview of the Cell Cycle
Multiple Choice
In an overview of the eukaryotic cell cycle, which of the following is NOT considered a standard phase of the cell cycle?
A
S phase
B
Prophase
C
G2 phase
D
G1 phase
Verified step by step guidance1
Step 1: Understand the standard phases of the eukaryotic cell cycle. The main phases include G1 (Gap 1), S (Synthesis), G2 (Gap 2), and M (Mitosis).
Step 2: Recognize that G1, S, and G2 phases are part of interphase, where the cell grows and DNA is replicated.
Step 3: Identify that M phase (Mitosis) is the phase where the cell divides, and it includes subphases such as prophase, metaphase, anaphase, and telophase.
Step 4: Note that prophase is a subphase of mitosis, not a separate standard phase of the cell cycle by itself.
Step 5: Conclude that since prophase is part of M phase and not a standalone phase, it is NOT considered a standard phase of the cell cycle.
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