CELL STRUCTURES AND FUNCTION
CELL DIVISION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In which stage of mitosis do nucleolus and nuclear envelope disappear and turn into fragments?
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anaphase
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metaphase
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prophase
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telophase
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Explanation:
Detailed explanation-1: -During prophase, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down.
Detailed explanation-2: -Prometaphase is the second phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. During prometaphase, the physical barrier that encloses the nucleus, called the nuclear envelope, breaks down.
Detailed explanation-3: -Telophase: During telophase, many of the processes seen during the prophase are reversed. The nuclear membrane disappears. The chromosomes uncoil and become diffused, and the spindle fibers disappear.
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