Answer:
Protein
Explanation:
Protein speeds up chemical reactions by lowering activation energy. It is used to form bones and build muscles. It is made up of an amino group, a carboxyl group, and an R group.
Answer:
Because Water is not a buffer solution and the acetic acid/acetate solution is a buffer solution. An acidic buffer is a solution of a weak acid (acetic acid) and its conjugate base pair (sodium acetate) that prevents the pH of a solution from changing drastically through the action of each component with incoming acid or base.