Why Does Calcium Not Bind to Calmodulin in an Nonstimulated

Multiple Choice

Why does calcium not bind to calmodulin in an nonstimulated cell?

A) Calmodulin's affinity for calcium ions is too low to allow binding in an nonstimulated cell.
B) Calmodulin's affinity for calcium ions is too high to allow binding in an nonstimulated cell.
C) In an nonstimulated cell,calcium ions are destroyed.
D) In an nonstimulated cell,calcium ions are produced.
E) In an nonstimulated cell,calcium ions preferentially bind to another protein in the cytosol.