What would happen if someone stabbed your leg with a syringe full of calcium and injected the calcium directly into your muscle cells?

a. the actin active sites would stay covered by tropomyosin.

b. cross-bridges would form in the absence of an action potential from a motor neuron.

c. tropomyosin would bind the calcium and change the conformation of troponin.

d. myosin would be unable to hydrolyze atp.