Order the Reaction Sequence for the Involvement of Free Actin

question 15

Multiple Choice

Order the reaction sequence for the involvement of free actin, free myosin and ATPase activity on each other.
A.Actin binds and activates ATPase activity by stimulating release of P_i and ADP.
B.In the absence of actin, the addition of ATP to myosin produces a rapid release of H⁺.
C.The binding of new ATP to the actomyosin complex.
D.Actomyosin dissociates into actin and myosin.
E.Low energy conformation change in myosin head.

• A) B, A, E, C, D
• B) A, B, C, D, E
• C) B, E, C, A, D
• D) E, B, A, D, C
• E) C, A, D, E, B

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