Answer:
R group
Explanation:
All amino acids have both an amino group and a carboxyl group. The R-group (sometimes called the variable group) is what differentiates amino acids from one another. These R-groups have various structural properties that dictate the function of the resulting amino acid chain.
It's very important and useful to consume multivitamins; although it's much better and healthier to simply eat vegetables and foods which then povide you with your daily recommended levels of all of them. Without vitamins and minerals, our body wouldn't function properly and it would probably shut down and we would slowly start to perish.
Answer:
It is called the Pyloric Sphincter