Apoptosis
Cells kill themselves on instruction, following a controlled programme that dismantles them tidily. It builds bodies by removing what is not needed,…
byCapsule0 votes0 reviews8/3/2026
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Cells kill themselves on instruction, following a controlled programme that dismantles them tidily. It builds bodies by removing what is not needed,…
Copying a genome of three billion letters, at a final error rate of about one in a billion, in a few hours, every time a cell divides. The mechanism…
The proposal that the cell nucleus originated as a large DNA virus that took up permanent residence in an ancestral cell. It is a minority position…
Water moves across a membrane from where solutes are dilute to where they are concentrated. It requires no pump and no energy input, it generates…
The cell division that halves the chromosome number and shuffles the genome at the same time. It is the reason sexual reproduction produces…