Which of the following acts as an ATPase during the contraction cycle of muscle?
a) tropomyosin molecules
b) troponin molecules
c) actin molecules
d) the tail portion of the myosin molecule
e) the head portion of the myosin molecule
Answer: E
Which of the following acts as an ATPase during the contraction cycle of muscle?
a) tropomyosin molecules
b) troponin molecules
c) actin molecules
d) the tail portion of the myosin molecule
e) the head portion of the myosin molecule