Answer:
Each has an amine group at one end, an acid group at the other, and a distinctive side chain.
Explanation:
The unique chemical structure attached to the backbone of each amino acid that differentiates one amino acid from another.
I think you should stop and take a rest or a break. If the side stitch is really painful, then don't start running until it has stopped. Or you can walk it off so it might not get any more painful when you're resting.
I would say A because of the fever. When you have a fever it means your usually contagious
it depends on the disorder
