Exam 2 Chapter 9: 1. ACh is inactivated by acetylcholinesterase
2. Calcium is actively transported back into SR (requires ATP)
3. ATP attaches myosin cross bridge and releases from actin
4. Troponin-tropomyosin covers myosin binding sites on actin

Question

1. ACh is inactivated by acetylcholinesterase 
2. Calcium is actively transported back into SR (requires ATP)
3. ATP attaches myosin cross bridge and releases from actin
4. Troponin-tropomyosin covers myosin binding sites on actin

Kyra Cavanaugh · Accepted Answer

List 4 steps of how muscle relaxes following contraction

Exam 2 Chapter 9

1. ACh is inactivated by acetylcholinesterase 2. Calcium is actively transported back into SR (requires ATP) 3. ATP attaches myosin cross bridge and releases from actin 4. Troponin-tropomyosin covers myosin binding sites on actin

List 4 steps of how muscle relaxes following contraction

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