Questions tagged [cell-cycle]

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Advantages and disadvantages of sporulation compared with competence in bacteria?

Why do bacteria have both of these mechanisms to deal with the same environmental stress: nutrient deprivation? In a culture exposed to this condition, often both competent cells and sporulated cells ...
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DRAQ5 and PI incompatible?

I'm interested to analyse hemolymph cells from a marine mollusc. I wanna count only "alive" cells so my strategy was the following: DRAQ5+ (nucleated cells) and PI- (alive cells) and identify ...
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Crispr/CAS9 genome editing is actually processed at which phase of Cell cycle?

all, Is it only happens in certain phases, like S, G1,...or it can happen any time....or maybe, it has some perferences. Put it in another word, does it going to processe edit if the cell is not ...
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Does a cell suspend or exit cell cycle at G0?

In an exam, there was one question which asked whether the cell exits or suspends cell cycle at G0 phase. I answered that it exits cell cycle but the official answer key says it suspends cell cycle. ...
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Why/ how sister chromatids stay together after replication?

As we know, in mitosis, after S phase each linear DNA molecule (associated with 1 chromatid), get doubled. These sister chromatids, in prophase and metaphase; are joined with a common centromeric ...
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During the cleavage cycle of a zygote what determines where the blastula starts folding?

If all of the cells divide from the same zygote it seems like they should all be the same. What causes one part of the clump of cells in a blastula to start folding over to form the mesoderm and ...
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When does the kinetochore form?

According to Wikipedia, the outer plate... is assembled in the surface of the chromosomes when the nuclear envelope breaks down. However is makes not mention of when the inner portion of the ...