What is the function of troponin and tropomyosin during skeletal muscle contraction?
A) To increase the amount of calcium entering the muscle fiber
B) To regulate bonding between actin and myosin
C) To remove calcium from the muscle fiber
D) To prevent over- contraction of muscle fibers
E) To generate an action potential
Correct Answer:
Verified
Q2: The fluid in the sarcoplasmic reticulum contains
Q3: Skeletal muscle
A) contracts the large blood vessels.
B)
Q4: The thick filaments of a myofibril are
Q5: Which molecule contains a binding site for
Q6: When lifting a heavy object, the strength
Q8: When a muscle fiber receives an action
Q9: Protein bands that connect sarcomeres are called
A)
Q9: How does an action potential enter a
Q10: What is the function of the sarcoplasmic
Q11: Muscles used for activities that require fine
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