Compared to slow oxidative muscle fibers, those classified as fast glycolytic fibers typically have ________.
A) a higher concentration of myoglobin
B) a higher density of mitochondria
C) a darker visual appearance
D) a smaller diameter
E) less resistance to fatigue
Correct Answer:
Verified
Q2: Motor neurons release the neurotransmitter acetylcholine (ACh),
Q3: The contraction of skeletal muscles is based
Q4: When muscle is at rest, the myosin
Q5: What would happen to people exposed to
Q6: A patient is hospitalized with muscle spasms
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
Q12: What causes rigor mortis?
A) exhaustion of Ca2+
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