The functional unit of skeletal muscle
A) is the smallest contractile component of a muscle fiber
B) is the area between two Z lines
C) is the sarcomere
D) contains only one A band
E) exhibits all of the above characteristics
Correct Answer:
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Q7: Skeletal muscle fibers
A)have T tubules within their
Q8: The region between two Z lines is
Q9: Order the following muscle cell components from
Q10: Skeletal muscle fibers
A)are some of the longest
Q11: Identify the characteristic(s) shared by all types
Q13: Sarcomeres are arranged end to end as
A)Z
Q14: A function of tropomyosin is
A)to bind Ca₂₊
B)to
Q15: Each I band in a skeletal muscle
Q16: The striated appearance of skeletal muscle is
Q17: Muscle fibers develop tension by
A)contraction of sarcomeres
B)shortening
C)the
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