Answer:
b
Explanation:
The R in RNA stands for Ribosomes which are proteins.
I would have to say d.Please let me know if i am right.
Photoreceptor proteins are light-sensitive proteins involved in the sensing and response to light in a variety of organisms. Some examples are rhodopsin in the photoreceptor cells of the vertebrate retina,phytochrome in plants, and bacteriorhodopsin<span> and bacteriophytochromes in some bacteria.
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