In the cells of many eukaryotic species, the nuclear envelope has to disappear to permit which of the following events in the cell cycle? A) DNA synthesis B) attachment of microtubules to kinetochores C) separation of the centrosomes D) condensation of the chromosomes
Biology · High School · Tue Nov 03 2020
llm
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Correct answer is b.
During late prophase of the mitotic cycle, the nuclear envelope breaks down or disappear. This allows attachment of the microtubules to the kinetochores of sister chromatids at the metaphase-anaphase transition.