QQuestionBiology
QuestionBiology
During which stage of mitosis do replicated chromosomes condense and the nuclear envelope disappear?
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Answer
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Step 1:: Understand the stages of mitosis
Mitosis is divided into five main stages: prophase, prometaphase, metaphase, anaphase, and telophase. Each stage has distinct characteristics.
Step 2:: Recall the characteristics of prophase
During prophase, the chromosomes condense and become visible. The nuclear envelope starts to break down, and the mitotic spindle begins to form.
Step 3:: Recognize the disappearance of the nuclear envelope in prometaphase
Prometaphase is the stage following prophase. During prometaphase, the nuclear envelope completely disappears, allowing the mitotic spindle to access and interact with the chromosomes.
Step 4:: Summarize the findings
Replicated chromosomes condense and the nuclear envelope disappears during prophase; however, the nuclear envelope's disappearance is not complete until prometaphase.
Final Answer
Replicated chromosomes condense in prophase, and the nuclear envelope disappears in prometaphase of mitosis.
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