Multiple Choice
During which phase of mitosis do chromosomes move toward opposite poles of the cell?
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11. Cell Division
Phases of Mitosis
Multiple Choice
What structure holds the two sister chromatids together as they prepare for cell division?
A
Cell membrane
B
Centromere
C
Spindle fiber
D
Nucleolus
Verified step by step guidance1
Understand the context: Sister chromatids are identical copies of a chromosome connected together, and they are crucial during cell division.
Identify the key structure: The centromere is the region where the two sister chromatids are most tightly connected.
Differentiate between the options: The cell membrane surrounds the cell, spindle fibers are involved in moving chromosomes, and the nucleolus is involved in ribosome production.
Focus on the centromere: It is the specific structure that holds the sister chromatids together until they are separated during cell division.
Visualize the process: During mitosis, the centromere plays a critical role in ensuring that each daughter cell receives an identical set of chromosomes.
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