Scelta multipla
Which of the following lists the phases of mitosis in the correct chronological order, starting with the earliest?
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11. Cell Division
Phases of Mitosis
Scelta multipla
Which of the following events occurs during prophase of mitosis?
A
Cytokinesis divides the cytoplasm into two daughter cells
B
Chromatin condenses into visible chromosomes
C
The nuclear envelope reforms around separated chromosomes
D
Sister chromatids are pulled apart to opposite poles
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Understand the stages of mitosis: Mitosis is divided into several phases—prophase, metaphase, anaphase, and telophase. Each phase has distinct events that occur within the cell.
Focus on prophase: During prophase, chromatin (the uncondensed form of DNA) condenses into visible chromosomes. This is a key event that distinguishes prophase from other stages.
Eliminate incorrect options: Cytokinesis occurs after mitosis, typically during telophase, and involves the division of the cytoplasm. The nuclear envelope reforms during telophase, not prophase. Sister chromatids are pulled apart during anaphase, not prophase.
Recognize the correct event: Chromatin condensing into visible chromosomes is the hallmark of prophase. This prepares the chromosomes for alignment and separation in later stages of mitosis.
Summarize the process: Prophase is the first stage of mitosis where chromatin condenses into chromosomes, the mitotic spindle begins to form, and the nuclear envelope starts to break down.
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