Carbon dioxide is my guess ;)
Answer: Symbiosis and Parasitism
Explanation: Two organisms can be in a mutual relationship (symbiotic) and benefit from each other or one lives in the body of another and benefits from it, while the host organism suffers.
So they all got LEU, SER
Three first got GLU at the sam place
The one least related must be organism number 4.
Hope that helped.
Glucose would diffuse into the cell.Protein<span> would diffuse out of the cell.</span>Carbon dioxide<span> would diffuse out of the cell.</span>
