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172. Which one induces cell division?(a) Critical decrease in surface-volume ratio(b) Critical decrease in kernplasma ratio(c) Decrease in cell size(d) Both (a) and (b)

Answer»

ans is both a and ba. Critical decrease in surface volume and kernplasma ratio lead to induction of cell division. The decrease in surface volume may lead to limiting nutrient uptake thus affecting cell growth thus cell starts division. Cell functions are regulated by nucleus and Nucleus to cytoplasmic ratio is nearly constantin normal cell and it decreaseresults in the induction of cell division.


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