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Multiple Choice
The phase of mitosis where chromosomes condense and centrosomes move to opposite poles of the cell is:
A
Prometaphase
B
Metaphase
C
Prophase
D
Anaphase
E
Telophase
Verified step by step guidance
1
Understand the stages of mitosis: Mitosis is divided into several phases: prophase, prometaphase, metaphase, anaphase, and telophase.
Identify the key events in each phase: In prophase, chromosomes condense and become visible, and the mitotic spindle begins to form as centrosomes move to opposite poles.
Compare the events of prophase with other phases: Prometaphase involves the breakdown of the nuclear envelope and attachment of spindle fibers to kinetochores. Metaphase is characterized by chromosomes aligning at the cell's equatorial plane. Anaphase involves the separation of sister chromatids, and telophase is when the nuclear envelope re-forms around the separated chromosomes.
Focus on the specific events mentioned: The problem states that chromosomes condense and centrosomes move to opposite poles, which are hallmark events of prophase.
Conclude that the phase described in the problem is prophase, as it matches the key events of chromosome condensation and centrosome movement.