The rapid rise and fall in force produced by a muscle fiber after ...

[clippers!]

The rapid rise and fall in force produced by a muscle fiber after a single action potential is a(n)
 A) tetanus.
  B) unfused tetanus.
  C) twitch.
  D) motor end plate potential.
  E) muscle action potential.

Question 2

Put the following events of the contraction cycle in the order in which they occur. 1. Cross-bridge detachment 2. Cross-bridge formation 3. Active site exposure 4. Myosin reactivation 5. Calcium ions bind troponin 6. Myosin head pivoting
 A) 5,3,6,2,1,4
  B) 5,3,2,6,4,1
  C) 5,3,2,6,1,4
  D) 5,3,6,2,4,1
  E) 3,5,2,6,1,4

[zenzy]

Answer to Question 1

C

Answer to Question 2

C

[clippers!]

TYSM

[xiazhe]

Excellent