The viperfish is a heterotroph, not an autotroph due to the fact that it eats to live. Although it is not a common fish, the deep-sea viperfish population is seemingly stable. It is on neither the endangered nor the threatened species list.
I would think that is the red blood cell. I could be wrong so correct me if I am.
Answer:
amino acid
Explanation:
Letter G represents the attachment site for an amino acid