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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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Beanieman Beanieman
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7 years ago
Which of the following statements about excitation-contraction coupling in skeletal muscle is FALSE?
A) An action potential in the sarcolemma stimulates the opening of voltage-gated calcium channels in the plasma membrane and the sarcoplasmic reticulum.
B) DHP receptors on the T tubules detect changes in voltage and communicate to ryanodine receptors on the sarcoplasmic reticulum to open calcium channels.
C) An end-plate potential triggers an action potential on the sarcolemma.
D) Calcium binds to troponin, causing a shift in tropomyosin, thereby exposing the binding sites on actin for myosin.
E) Calcium ATPases in the sarcoplasmic reticulum are necessary for relaxation of the muscle.
Textbook 
Principles of Human Physiology

Principles of Human Physiology


Edition: 5th
Author:
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ch1990ch1990
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7 years ago
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Beanieman Author
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7 years ago
Really appreciate your kind help
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#3
7 years ago
Post back if you need anything else
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