Multiple Choice
How is calmodulin activated?
A) by binding both calcium and potassium
B) by binding Ca2+ when the cytosolic concentration is greater than 500 nM
C) by binding to a positively charged helix on another protein
D) by binding Ca2+ only when calcium channels are open, allowing Ca2+ efflux from the cell
E) None of the answers is correct.
Correct Answer:

Verified
Correct Answer:
Verified
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