CELL STRUCTURES AND FUNCTION
CELL DIVISION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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M phase is made up of mitosis
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Mitosisinvolves prophase, metaphase, anaphase and telophase
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M phase is made up of cytokinesis
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Cells gather energy and make final arrangements to enter the next stage of cell division
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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: -The M phase consists of mitosis and cytokinesis. Mitosis is the process in which DNA condenses into visible chromosomes, which is followed by the separation of the chromosomes into two identical sets.
Detailed explanation-3: -Cytokinesis is the process that runs during telophase and it leads to the splitting of the cytoplasm into two daughter cells. Hence, The M phase usually ends with the division of cytoplasm (cytokinesis).
Detailed explanation-4: -Cytokinesis begins in anaphase and ends in telophase, reaching completion as the next interphase begins. The first visible change of cytokinesis in an animal cell is the sudden appearance of a pucker, or cleavage furrow, on the cell surface.