The opening of ligand gates on the sarcolemma is directly caused by
A) acetylcholine attachment.
B) calcium influx into the motor neuron .
C) sodium influx into the muscle fiber.
D) acetylcholinesterase activity
E) all choices are correct
Correct Answer:
Verified
Q11: Which characteristics describe both skeletal and cardiac
Q12: Which region of a sarcomere contain thin
Q13: The outermost layer of connective tissue surrounding
Q14: During muscle contractions ,thin filaments are pulled
Q15: Myofibrils contain what type of proteins? Select
Q17: Which of the regions of a sarcomere
Q18: Which function do all three muscles perform?
A)moving
Q19: )Skeletal muscle contraction is triggered to begin
Q20: The contractile organelles of a skeletal muscle
Q21: In the diagram,acetylcholine is released from _
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