Multiple Choice
In an actively dividing eukaryotic cell, which part of the cell cycle is typically the longest?
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16. Cell Division
Overview of the Cell Cycle
Multiple Choice
In the context of the eukaryotic cell cycle, what best describes interphase in relation to mitosis?
A
The phase in which the nuclear envelope breaks down and the mitotic spindle attaches to chromosomes
B
The final step of cell division in which the cytoplasm divides to form two daughter cells
C
The period (G1, S, and G2) when the cell grows, replicates its DNA, and prepares for mitosis
D
The stage of mitosis when sister chromatids separate and move to opposite poles
Verified step by step guidance1
Step 1: Understand the phases of the eukaryotic cell cycle, which include interphase and mitosis. Interphase is the phase where the cell prepares for division, while mitosis is the process of nuclear division.
Step 2: Break down interphase into its three subphases: G1 (cell growth), S (DNA replication), and G2 (preparation for mitosis). During these phases, the cell increases in size, duplicates its DNA, and readies the necessary components for mitosis.
Step 3: Recognize that mitosis itself consists of stages such as prophase (where the nuclear envelope breaks down and spindle fibers attach), metaphase, anaphase (where sister chromatids separate), and telophase.
Step 4: Differentiate interphase from mitosis by noting that interphase is not involved in the physical separation of chromosomes but is crucial for preparing the cell to enter mitosis.
Step 5: Conclude that the best description of interphase in relation to mitosis is the period (G1, S, and G2) when the cell grows, replicates its DNA, and prepares for mitosis.
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