What is the cause of free calcium in the cytosol that damages cell membranes by uncontrolled enzyme activation?
A) Activation of endonuclease, which interferes with the binding of calcium to protein
B) Activation of phospholipases, which degrade the proteins to which calcium normally binds
C) An influx of phosphate ions, which compete with calcium for binding to proteins
D) Depletion of ATP, which normally pumps calcium from the cell
Correct Answer:
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