Which of the following promotes the depolarization stage?
A) opening of voltage -gated potassium ion channels and potassium ions exit the cell
B) closure of voltage -gated sodium ion channels
C) hydrolysis of ATP
D) opening of voltage -gated sodium ion channels and sodium ions enter the cell
Correct Answer:
Verified
Q33: Which statement best describes the function of
Q34: Between the start of the latent period
Q35: The main immediate source of ATP (lasting
Q36: Through which ATP -generating mechanism can long
Q37: Where are receptors for acetylcholine located?
A) triad
B)
Q39: During excitation -contraction coupling, calcium ion concentration
Q40: What is required for excitation -contraction coupling?
A)
Q41: The fastest muscle contraction would be produced
Q42: Smooth muscle and skeletal muscle both possess:
A)
Q43: Provide two characteristics that distinguish skeletal muscle
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