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Which one of these is not an example of intracellular communication?

AHeart cells contract together

BDNA in a cell replicates

CWater regulation by a cell's central vacuole

DCharged ions distributed a plasma membrane?


  1. Which intercellular communication type changes membrane permeability?

AMolecular receptor

BEnzyme-linked receptor

CTransmembrane receptor

DIon channel- linked receptor

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