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Multiple Choice
Which of the following statements characterizes prophase during mitosis?
A
Chromosomes align at the metaphase plate.
B
Sister chromatids are pulled apart to opposite poles of the cell.
C
The nuclear envelope breaks down and chromatin condenses into visible chromosomes.
D
The cell completes cytokinesis and divides into two daughter cells.
Verified step by step guidance
1
Understand the stages of mitosis: Mitosis is divided into several stages: prophase, metaphase, anaphase, and telophase. Each stage has distinct characteristics.
Identify the characteristics of prophase: During prophase, the chromatin condenses into visible chromosomes, and the nuclear envelope begins to break down. This is a key feature of prophase.
Differentiate prophase from other stages: In metaphase, chromosomes align at the metaphase plate. In anaphase, sister chromatids are pulled apart. Cytokinesis, which is the division of the cytoplasm, occurs after mitosis, not during prophase.
Focus on the correct statement: The statement 'The nuclear envelope breaks down and chromatin condenses into visible chromosomes' accurately describes prophase.
Review the incorrect options: Ensure understanding by reviewing why the other options do not describe prophase. Chromosome alignment and cytokinesis occur in different stages of cell division.