Which of these statements about the molecular structure of myofilaments is true?a. Tropomyosin has a binding site for Ca2+.b. The head of the myosin molecule binds to an active site on G actin.c. ATPase is found on troponin.d. Troponin binds to the rodlike portion of myosin.e. Actin molecules have a hingelike portion, which bends and straightensduring contraction.
Which of these statements about the molecular structure of myofilaments is true?a. Tropomyosin has a binding site for Ca2+.b. The head of the myosin molecule binds to an active site on G actin.c. ATPase is found on troponin.d. Troponin binds to the rodlike portion of myosin.e. Actin molecules have a hingelike portion, which bends and straightensduring contraction.
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter43: Muscles, Bones, And Body Movements
Section: Chapter Questions
Problem 3TYK
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Which of these statements about the molecular structure of myofilaments is true?
a. Tropomyosin has a binding site for Ca2+
.
b. The head of the myosin molecule binds to an active site on G actin.
c. ATPase is found on troponin.
d. Troponin binds to the rodlike portion of myosin.
e. Actin molecules have a hingelike portion, which bends and straightens
during contraction.
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