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Question 1 of 8
13% Complete
What is the correct order of events in skeletal muscle contraction?
Acetylcholine release → Ca²⁺ release from SR → Troponin binding → Tropomyosin shift → Myosin head binding to actin
Ca²⁺ release → Acetylcholine release → Troponin binding → Myosin head binding → Tropomyosin shift
Acetylcholine release → Troponin binding → Ca²⁺ release → Tropomyosin shift → Myosin head binding
Ca²⁺ release → Troponin binding → Acetylcholine release → Myosin head binding → Tropomyosin shift
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Biochemistry & Physiology: Muscles | Quiz | MCDI