What Are the Correct Steps of Muscle Contraction Starting with ACh

question 5

Multiple Choice

What are the correct steps of muscle contraction starting with ACh?
A.ACh diffuses across the synaptic cleft
B.The sarcolemma generates an impulse that moves down the T tubules into the sarcoplasmic reticulum
C.ACh binds to receptors in the sarcolemma
D.The sarcomere contraction produces a myofibril contraction
E.Calcium is released causing the sarcomere contraction

• A)a - c - b - e - d
• B)a - b - c -e - d
• C)d - a - b - e - c
• D)c - e - d - a - b

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