Review Note
Last Update: 09/14/2024 12:45 PM
Current Deck: ADVH Biology::Unit 1 - Cells and Proteins::Unit 1.4 - Communication and signalling
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Front
summary of generation of nerve stimulus in rod cell
Back
- Light stimulation of rhodopsin leads to activation of a G-protein, transducin.
- Activated G-protein activates cGMP phosphodiesterase (PDE).
- PDE hydrolyses cGMP, reducing its concentration.
- This leads to closure of Na+ channels.
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