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glutathione peroxidase trace element Frontiers Catalase
The real reason you are tired all the time - Nutritionist Resource
Generally, if the receptors are ligand-gated ion channels, a conformational change opens the ion channels, which leads to a flow of ions across the cell membrane resulting in either a depolarization, for an excitatory receptor response, or a hyperpolarization, for an inhibitory response [277]
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