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Natural Science Forum / Biology / Biology / July 2007foolish question from a puny mortal
if single cells reproduce by splitting in two, then what is meant by the "age" of a given cell? peace stm >if single cells reproduce by splitting in two, then what is meant by >the "age" of a given cell? The simplest answer is that it is the age of that cell -- time since that cell was created by division of its parental cell. In some contexts, there might be more complex meanings. bob > On Sun, 08 Jul 2007 21:50:55 -0700, Sean McIlroy > [quoted text clipped - 8 lines] > > bob but i often hear of cells dying - it's what makes sh.t brown, i'm told - so why does a cell die if it has the option of dividing instead? >> On Sun, 08 Jul 2007 21:50:55 -0700, Sean McIlroy >> [quoted text clipped - 11 lines] >but i often hear of cells dying - it's what makes sh.t brown, i'm told >- so why does a cell die if it has the option of dividing instead? Well, something went wrong. It may be damaged or poisoned. Many of the cells in human feces are not dead; they are just excreted. bob |
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