Rhodopsin, a light-sensitive GPCR whose role in vision is dependent on its phosphorylation status, is influenced...

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Rhodopsin, a light-sensitive GPCR whose role in vision is dependent on its phosphorylation status, is influenced...

Rhodopsin, a light-sensitive GPCR whose role in vision is dependent on its phosphorylation status, is influenced in part by the protein arrestin. Which of the following is true in regards to rhodopsin and vision?

Select one:

a. Rhodopsin phosphatase increases the degree of rhodopsin phosphorylation

b. Arrestin binds to the completely phosphorylated opsin to inhibit signaling

c. Rhodopsin activation promotes the opening of a cGMP-gated ion channel

d. none of the above

science biology

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Answer #1

the right option is

a. Rhodopsin phosphatase increases the degree of rhodopsin phosphorylation

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Rhodopsin, a light-sensitive GPCR whose role in vision is dependent on its phosphorylation status, is influenced...