Answer:
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The photoreceptors would be your eyes, chemoreceptors skin, olfactory for nose and mechanoreceptors for obviously tongue hope this helps.
I learned this long ago, I think it's either Mitosis or cell division, this is when one cell divides to make 2 cells and those 2 cell divide to make 4 cells and those 4 cells divide to make 8 cells and so on.
They help with storing "food" in fruits and foods to make them edible for us people.