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  3. 1. in one paragraph (or more), discuss the role of

1. In one paragraph (or more), discuss the role of Actin and Myosin in a muscle...

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Medical Sciences

1. In one paragraph (or more), discuss the role of Actin andMyosin in a muscle contraction. Include the proteins troponin andtropomyosin in your discussion.

2. In the second paragraph, discuss the major events of musclecontraction and relaxation.

3. Discuss what an agonist, antagonist, and synergists mean andgive an example for each.  

Answer & Explanation Solved by verified expert
4.5 Ratings (967 Votes)
1 Role of Actin and Myosin in a muscle contraction Contraction cycle begins when Calcium ions arrive at sarcomere Calcium ions bind to troponin Troponin changes its position moving tropomyosin and exposing myosin binding sites on actin Myosin heads bind to exposed active sites on actin forming cross bridges Stored energy within myosin head is released and is used to pivot myosin head towards    See Answer
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