Acetylcholine helps _initiate_ muscle contraction in the peripheral nervous system (pns), whereas it acts to _inhibit_ muscle contraction in the central nervous system (cns).
Answer:
True
Explanation:
A myofibril also called muscle fibril found in muscle cells, it is composed of thick and thin filaments of protein Myosin and Actin respectively.
Answer
Enzymes are also sensitive to pH . Changing the pH of its surroundings will also change the shape of the active site of an enzyme.
Hello, I think your answer would be Cenozoic Era
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