Multiple Choice
Which statement about skeletal muscles is true?
A) In a muscle fiber at rest, calcium is higher in the sarcoplasm than in the sarcoplasmic reticulum.
B) The dihydropyridine (DHP) receptor is insensitive to action potentials.
C) Calcium triggers the interaction of actin and myosin and the sliding of filaments.
D) DHP and ryanodine receptors have a physical gap between them when they are functioning in a skeletal muscle contraction.
E) The ryanodine receptor is located in the T tubule membrane.
Correct Answer:
Verified
Correct Answer:
Verified
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