CELL STRUCTURES AND FUNCTION
CELL CYCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mitosis and cytokinesis
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Prophase, metaphase, anaphase, and telophase
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G1 phase, S phase, G2 phase, and M phase
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G1 phase, S phase, and G2 phase
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Detailed explanation-1: -Cell division occurs during M phase, which consists of nuclear division (mitosis) followed by cytoplasmic division (cytokinesis). The DNA is replicated in the preceding S phase; the two copies of each replicated chromosome (called sister chromatids) remain glued together by cohesins.
Detailed explanation-2: -M phase: Cell division, comprising mitosis, when a fully grown cell segregates the replicated chromosomes to opposite ends of a molecular scaffold, termed the spindle, and cytokinesis, when the cell cleaves between the separated chromosomes to produce two daughter cells.
Detailed explanation-3: -Mitosis is the process of nuclear division, which occurs just prior to cell division, or cytokinesis. During this multistep process, cell chromosomes condense and the spindle assembles.
Detailed explanation-4: -During the mitotic (M) phase, the cell separates its DNA into two sets and divides its cytoplasm, forming two new cells.