Why Does Calcium Not Bind to Calmodulin in a Non-Stimulated

question 66

Multiple Choice

Why does calcium not bind to calmodulin in a non-stimulated cell?

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

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