Answer:
The answer is option is A.
a photopsin is a protein of a photo pigment within cone photoreceptors.
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A. is the answer. Hope this helps you! :p
Curare will bind to the receptor but it doesn't cause the ion to flow inside. This will prevent the person from sent signal to the muscle. When the person trying to move the muscle, curare will also prevent acetylcholine to bind so there will be no muscle contractions. The symptoms would be paralyzed of muscle that uses ach receptor.
