Cross bridges
A) bind to actin during muscle contraction
B) consist of tropomyosin heads
C) are globular heads made of myosin
D) do not bend during muscle contraction
E) bind to actin during muscle contraction and are globular heads made of myosin
Correct Answer:
Verified
Q1: Skeletal muscle fibers
A) have T tubules within
Q2: Actin
A) does not perform a power stroke
Q3: Myosin
A) is found in the A band
B)
Q5: Troponin
A) binds with calcium to allow sarcomere
Q6: Skeletal muscle fibers
A) are some of the
Q7: Actin
A) has ATPase activity
B) is spherical
C) forms
Q8: Sarcomeres are arranged end to end as
A)
Q8: The region between two Z lines is
Q9: A function of tropomyosin is to
A) bind
Q11: The functional unit of skeletal muscle is
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