Im not sure but i believe it could be C
Hopefully this will help and it's what you are looking for.
This is true. There are a few websites online that talk about how it happens, I suggest looking them up.
You use the mRNA to make amino acids.
The answer is C. Your eyes respond the the amount of light going into your eyes so they get smaller when exposed to more light and dilate when the amount of light is lessened
