Biology, 07.12.2021 03:50 mommer2019
The relaxation of skeletal muscle fibers and the skeletal muscle, itself, begins with the motor neuron, which stops releasing its chemical signal, ACh, into the synapse at the neuromuscular junction. The muscle fiber will repolarize. What is the next step in relaxation? A) The actin-binding sites on the thin filaments are reshielded. B) ATP-driven pumps move Ca++ out of the sarcoplasmic reticulum. C) Troponin and tropomyosin revert back to their original positions on the actin fibers. D) The gates in the sarcoplasmic reticulum where Ca++ was being released are closed.
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Drag each label to the correct location on the image. g organisms adopt different strategies and structures to make sure their offspring it uses. herds young into center of group produces many offspring at once to protect against high predation risk protects offspring until environmental conditions are ideal for growth coo b 13 1994 7 odos si . an . i
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The relaxation of skeletal muscle fibers and the skeletal muscle, itself, begins with the motor neur...
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