A person with a severe calcium deficiency:
A) would have a problem with ATP release for muscle contraction.
B) would have a problem with cross bridge formation.
C) would have a problem with energizing the cocked head of myosin.
D) would have a shorter I band.
E) would have no problems associated with muscle activity.

Question

Quizplus · Accepted Answer

Calcium is essential for muscle contraction as it binds to troponin, allowing tropomyosin to move and expose binding sites on actin for myosin, facilitating cross bridge formation.

A Person with a Severe Calcium Deficiency