Answer;
Proteins;
Explanation;
-Protein is among the four major macro molecules in the body, others are carbohydrates, lipids, nucleic acids. Proteins play various roles in the body such as source of energy, structural compounds and controlling chemical reactions.
-Proteins have a catalytic function in a cell; in that enzymes are proteins that speed up chemical reactions in the body and hormones, like insulin, are proteins that regulate the activity of cells or organs.
Enzymes are biological catalysts that catalyze chemical reactions in a cell.
