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Ber [7]
3 years ago
11

1. What function do photoreceptor cells perform?

Biology
1 answer:
Eddi Din [679]3 years ago
5 0

Answer:

The correct answer is 3 They detect light,allowing the spiders to see colors.

Explanation:

Photoreceptors are also called transducin  presnt in the rod cells of retina and play an important role in vision.

     The phoreceptor is a G protein coupled receptor that contain GDP.When light strikes the eye the GDP is coverted to GTP resulting in the activation of the photo receptors.

 The activation of photo receptors result in the closure of Na+ ion channels leading to hyperpolarization caused by lowering the cellular label of cGMP by the activation of phosphodiesterase enzyme.

  This ultimately result in the formation of 5"GMP.

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