Endocrine system is the answer
3 position of the molecules.
<span>The correct answer is that a completely different protein will be synthesized. Proteins are made out of long chains of amino acids. There's 500+ of them but only 20 or so are used for humans. They have infinite amounts of combinations and each combination synthesizes a different protein. Our body knows what it needs so it synthesizes it from food that we take.</span>
Carbon dioxide and methane.