Case 28: A lady with failing eye sight

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  Thời Gian Còn Lại


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Put the order of transduction into the correct steps.

Khớp văn bản (nhấp và kéo)   

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So khớp Văn bản

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phosphodiesterase hydrolyses cGMP causing Na and Ca channels to close, while K channels remain open

Light hits retina and the altered rhodopsin/photopsin molecule activates transducin allowing GDP to be exchanged for GTP

cone/rod hyperpolarises releasing less neurotransmitter

phosphodiesterse is activated

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