brody8128 brody8128

15-03-2024
Biology

contestada

Skeletal muscle contraction is a Ca²+ dependent process. This is because at rest tropomyosin prevents myosin and actin filaments from binding. Ca²+ is released when acetylcholine binds to the motor en:
a. Motor neuron
b. Sarcomere
c. T-tubule
d. Sarcoplasmic reticulum

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