Multiple Choice
In a typical somatic cell, what is produced at the end of mitosis (after cytokinesis completes)?
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16. Cell Division
Mitosis
Multiple Choice
In mitosis, during which phase does the nuclear envelope break down so that the nucleus is no longer visible as a distinct structure?
A
Telophase
B
Metaphase
C
Prophase (often specified as prometaphase in detailed descriptions)
D
Anaphase
Verified step by step guidance1
Recall the stages of mitosis: prophase, prometaphase, metaphase, anaphase, and telophase.
Understand that the nuclear envelope is intact during early prophase, allowing the nucleus to be visible as a distinct structure.
Identify that the nuclear envelope begins to break down during prometaphase, which is often considered part of late prophase or a separate phase.
Recognize that once the nuclear envelope breaks down, the chromosomes are no longer enclosed within the nucleus and become accessible to spindle fibers.
Conclude that the phase during which the nuclear envelope breaks down and the nucleus is no longer visible as a distinct structure is prophase, specifically prometaphase.
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