Answer:There are four classes of macromolecules (polysaccharides or carbohydrates, triglycerides or lipids, polypeptides or proteins, and nucleic acids such as DNA & RNA). Carbohydrates and lipids are made of only carbon, hydrogen, and oxygen (CHO). Proteins are made of carbon, hydrogen, oxygen, and nitrogen (CHON).
Explanation:
The answer to this question is Homeostasis <span />
Answer:
the percent of various nutirents in one serving.
Explanation:
If you look on the back of a food item you can read the different percentages of vitamins and other nutrients in the product.