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Biology-Related Homework Help Anatomy and Physiology Topic started by: barry on Feb 15, 2014



Title: Why are calcium ions necessary for skeletal muscle contraction:
Post by: barry on Feb 15, 2014
Why are calcium ions necessary for skeletal muscle contraction:
A) calcium increases the action potential transmitted along the sarcolemma
B) calcium releases the inhibition on Z discs
C) calcium triggers the binding of myosin to actin
D) calcium causes ATP binding to actin
E) calcium binds to regulatory proteins on the myosin filaments, changing both their shape and their position on the thick filaments


Title: Re: Why are calcium ions necessary for skeletal muscle contraction:
Post by: beardy on Feb 15, 2014
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Title: Re: Why are calcium ions necessary for skeletal muscle contraction:
Post by: barry on Feb 16, 2014
Thank you.