Steps on how rhodopsin senses light (BMED 5207 exam 4)

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8 Terms

1
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Step 1 on how rhodopsin senses light

11-cis-retinal converts to 11-trans-retinal

2
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step 2 on how rhodopsin senses light

rhodopsin is activated

3
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Step 3 on how rhodopsin senses light

transducin Gat is activated

4
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step 4 on how rhodopsin senses light

phosphodiesterase is activated

5
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step 5 on how rhodopsin senses light

cGMP is converted to GMP

6
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step 6 on how rhodopsin senses light

cGMP-gated channels is closed

7
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step 7 on how rhodopsin senses light

decreased Na+ and Ca2+ influx into rod cells

8
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step 8 on how rhodopsin senses light

rod cell membrane becomes hyperpolarized