Which one of these is not an example of intracellular communication?
A. Heart cells contract together
B. DNA in a cell replicates
C. Water regulation by a cell's central vacuole
D. Charged ions distributed a plasma membrane?
2. Which intercellular communication type changes membrane permeability?
A. Molecular receptor
B. Enzyme-linked receptor
C. Transmembrane receptor
D. Ion channel- linked receptor
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