The actual movement of myosin II along actin (the "power stroke" that effects contraction) occurs
A) when ATP is available to the myosin tails and is hydrolyzed
B) when ATP is available to the myosin heads and is hydrolyzed
C) when the phosphate group released following ATP hydrolysis is released from actin
D) when ADP is released from the myosin head
E) Both A and B are correct
Correct Answer:
Verified
Q29: Myosin II's coiled-coil domain
A) makes up the
Q30: Like other guanine nucleotide regulatory proteins, myosin
Q31: Calcium must be present for muscle contraction
Q32: Rigor mortis upon death is due to
A)
Q33: Myosin II binding to and subsequent dissociation
Q35: Apparently calcium plays a role in myosin
Q36: Similarities between myosin II and myosin V
Q37: Kinesins differ from myosin V in that
A)
Q38: Picturing kinesins "walking" along a microtubule, its
Q39: Kinesin light chains
I. associate with the tails
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