Calcium levels remain low in the cytosol
a. only to ensure that calcium does not precipitate inside the cells.
b. and therefore transient calcium increases can be used as intracellular signals.
c. so that calcium does not accumulate in mitochondria.
d. to allow extracellular calcium to drive import of other ions.
Ans: b. and therefore transient calcium increases can be used as intracellular signals.
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