Vacuoles

... gave the plant an adaption whether it be environmental or because of humans choosing these cells (likely due to nutritional content eg larger vacuoles) which lead to allele increase associated with these types of cells. Its the same sort of theme with most questions as to why something is ...

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hey i need help on this. i dont understand.. cell wall contain vacuoles that contain sap that is in high concentration. why do the molecules diffuse into the cell wall ? isnt osmosis the movement from high to low concentration.. doe sit have anything to ...

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You can't say "why." That presumes a "reason" exists. But consider what contractile vacuoles do - they effect osmoregulation in siolated cells such as those of paramecia. With very very few exceptions, human cels are organized - not isolated. Osmoregulation ...

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As in the osmoregulatory contractile vacuoles in paramecia? Human cells don't need individual means for osmoregulation as oiur cells are not free living,

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Why don't human body cells have contractile vacuoles?

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