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Multiple Choice
The mitotic spindle plays a critical role in which of the following processes of cellular division?
A
Splitting the cytoplasm following mitosis.
B
Triggering the condensation of chromosomes.
C
Dissolving the nuclear membrane.
D
Moving the chromosomes within the cell.
Verified step by step guidance
1
Understand the role of the mitotic spindle: The mitotic spindle is a structure composed of microtubules that is crucial during cell division, specifically during mitosis.
Identify the process of mitosis: Mitosis is the process where a single cell divides to produce two identical daughter cells, involving several stages including prophase, metaphase, anaphase, and telophase.
Focus on chromosome movement: During mitosis, the mitotic spindle is responsible for aligning and separating chromosomes. It attaches to the chromosomes at the centromere via kinetochores.
Examine the stages of mitosis: In metaphase, chromosomes are aligned at the cell's equatorial plane by the spindle fibers. In anaphase, the spindle fibers pull the sister chromatids apart toward opposite poles of the cell.
Conclude the role of the mitotic spindle: The primary function of the mitotic spindle is to ensure accurate distribution of chromosomes to the daughter cells, thus moving the chromosomes within the cell during mitosis.