He's actually a biologist who specializes in organic chemistry. But since that's not in the answer choices, i'd recommend putting Scientist or Dermatologist.
Its eukaryotic shehehbe i needed 20 characters so thats why i said that but the answer is eukaryotic
Answer:
By providing support and structure for the cell
Explanation:
From what I am able to understand from this question, the second answer makes the most sense.
This region of the antibody is called the Fab (fragment, antigen-binding) region. It is composed of one constant and one variable domain from each heavy and light chain of the antibody. The paratope is shaped<span> at the</span>amino<span> terminal end of the antibody monomer by the variable domains from the heavy and light chains.
</span><span>https://en.wikipedia.org/wiki/Antibody</span>