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Which one of the following precedes re-formation of the nuclear envelope, during M phase of the cell cycle?
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The nuclear envelope in eukaryotes separates the DNA, from the cytoplasm disassembles. The chromosomes align themselves, in a line spanning the cell. Microtubules, essentially miniature strings, pulls out from opposite ends of the cell and shorten, pulling apart the sister chromatids of each chromosome. As a matter of convention, each sister chromatid is now considered a chromosome, so they are renamed to sister chromosomes. As the cell elongates, corresponding sister chromosomes are pulled toward opposite ends. A new nuclear envelope forms around the separated sister chromosomes.
so, the correct answer is option A.
so, the correct answer is option A.
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| Question Text | Which one of the following precedes re-formation of the nuclear envelope, during M phase of the cell cycle? |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
