The final intracellular activator of skeletal muscle contraction is
A) Phosphorylation of the myosin light chains
B) The muscle membrane action potential
C) Ca2+ influx through voltage-dependent Ca2+ channels
D) Ca2+ released through the ryanodine receptors from the SR
E) Inositol trisphosphate
Correct Answer:
Verified
Q4: The action potential on the axon at
Q5: All of the following are true about
Q6: The end-plate potential
A) Is graded (varies continuously)
B)
Q7: Opening of acetylcholine receptors by acetylcholine directly
Q8: The acetylcholine receptor at the neuromuscular junction
Q10: The acetylcholinesterase at the neuromuscular junction is
Q11: The most common cause of myasthenia gravis
Q12: The acetylcholine in the neuromuscular junction is
Q13: Control of interaction of thin filament with
Q14: Spatial summation refers to
A) Sum ma tion
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