Answer:
a. iris
Explanation:
iris is actually the structure of the eye that regulates the amount of light passing to the visual receptors of the eye
Because there are too many sex chromosomes I think
<span>The Answer is "R" group.
Amino acids are organic compounds and have two carbon bonds. The three parts of an amino acid are the amino group, the carboxyl group, and the R group. In amino acids, alpha carbon is bonded to hydrogen atom and the other groups. That R group is different in amino acids and shows how the protein monomers are different from each other. </span>
The amount of stuff inside the cell and outside the cell are equal
Answer:
2 1/4
Explanation:
2 1/4 because it's 4 3/4 away from 4 3/4 away from -2 1/2