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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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ehd123 ehd123
wrote...
Valued Member
Posts: 778
Rep: 54 2
8 years ago
An isolated muscle and its motor nerve are placed in a Calcium free medium;
is the muscle going to contract if the nerve is stimulated?
will it contract if the muscle is directly stimulated?
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3 Replies
B.Sc in Biology
M.Sc Neuroscience
PhD. Candidate in Neuroscience

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wrote...
#1
Educator
8 years ago
I believe calcium is required for the interaction of actin and myosin. Calcium therefore is a major player in muscle contraction of these regulatory proteins.
ehd123 Author
wrote...
#2
Valued Member
8 years ago
That's true, and in the action potential as well.
B.Sc in Biology
M.Sc Neuroscience
PhD. Candidate in Neuroscience
wrote...
#3
Educator
8 years ago
Yes, also action potentials.
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