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Phototransduction Mechanisms in Vision is a document available to read on EtoBox.

1. Photoreceptor cells in the retina detect light via a G-protein coupled cascade involving rhodopsin, transducin, and phosphodiesterase. 2. Light exposure causes closure of cation channels and hyperpolarization of the photoreceptor cell. 3. Sound waves are detected in the inner ear through a mechanical process that converts pressure waves into electrical signals via hair cells.

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