What structure runs the length of the sarcomere through the thick filaments and contributes to the elastic recoil in muscle?
A) Z disk
B) titin
C) M line
D) actin
Correct Answer:
Verified
Q23: The thick filament is also called the
A)A
Q25: During skeletal muscle contraction,
A)the H zone increases
Q27: Myosin contains binding sites for _ and
Q31: Which of the following does NOT occur
Q32: The movement of the troponin-tropomyosin complex requires
A)ATP.
B)Ca2+.
C)Acetylcholine.
D)Na+.
Q38: During skeletal muscle contraction, adjacent _ are
Q42: The pumps that actively transport calcium back
Q43: Transverse tubules contain voltage-gated calcium channels that
Q46: Ca2+ must bind to tropomyosin so that
Q48: The Ca2+ required for skeletal muscle contraction
A)is
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