What is the association between tropomyosin and troponin molecules in resting striated muscle fibers?  

A.  Tropomyosin holds the troponin in place on the myosin.
B.  Troponin holds the tropomyosin in place on the myosin.
C.  Tropomyosin holds the troponin in place on the actin.
D.  Troponin holds the tropomyosin in place on the actin.
E.  There is no known association.


D.  Troponin holds the tropomyosin in place on the actin.

Biology & Microbiology

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