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Enzyme that breaks down acethlcholine in the synapse
A globular protein (G-actin) that polymerizes to form thin filaments (F-actin)
Forms thick filaments of the myofibril that convert chemical bond energy of ATP into motion
Bundles of contractile and elastic proteins responsible for muscle contractions
A muscle cell
The cell membrane of a muscle fiber
Modified endoplasmic reticulum in muscle that concentrates and stores Ca2+
Elastic giant protein that maintains spatial structure of myofibrils
A regulatory protein that blocks the myosin binding site on actin
Complex of three proteins associated with tropomyosin; One of the proteins that make up the thin filaments of muscle tissue and that regulate muscle contraction and relaxation. One of the three forms is a receptor of calcium ions that induces structural changes that allow the actin in the thin filaments to interact with myosin, causing contraction.
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