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Biology, 15.11.2019 09:31 staxeeyy767

Which of the following would prevent muscle contraction but is not a malfunction of the actual muscle fiber?
a. no signal from the nerves ever reaches the muscle cell membrane.
b. inability of an action potential to reach the sarcoplasmic reticulum.
c. calcium not entering the sarcomeres.
d. inability of troponin to twist around an actin strand.

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