LABORATORY REVIEW
MITOSIS AND MEIOSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which mitosis phase is described? *DNA condenses and becomes chromosomes, made up of sister chromatids *Centrioles get into position *Nuclear membrane disappears
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interphase
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metaphase
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prophase
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anaphase
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Explanation:
Detailed explanation-1: -During prophase, the nucleus disappears, spindle fibers form, and DNA condenses into chromosomes (sister chromatids).
Detailed explanation-2: -During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses. The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes.
Detailed explanation-3: -In anaphase, the sister chromatids separate from each other and are pulled towards opposite ends of the cell. The protein “glue” that holds the sister chromatids together is broken down, allowing them to separate. Each is now its own chromosome. The chromosomes of each pair are pulled towards opposite ends of the cell.
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