What causes rigor mortis?
A) exhaustion of Ca2+ from the sarcoplasmic reticulum
B) lack of ATP in dead tissue
C) lack of acetylcholine (ACh) in dead tissue
D) cessation of action potentials after death
Correct Answer:
Verified
Q7: Compared to slow oxidative muscle fibers, those
Q8: The calcium ions released into the cytosol
Q9: All skeletal muscle fibers are _.
A) smooth
Q10: Which muscle type(s) is (are) involuntary?
A) smooth
Q11: Skeletal muscle contraction begins when calcium ions
Q13: When an action potential from a motor
Q16: Sections of actin filaments that are NOT
Q17: In a relaxed skeletal muscle _.
A) thick
Q34: Cardiac muscle cells are both
A) striated and
Q70: 
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