1.) The study of life at the chemical
level, in particular
the chemistry of
proteins,
carbohydrates, and
nucleic acids.

1.Nucleic acids: Stores and transfers info.

2.Carbohydrates; Store energy, provide fuel, and build structure in body, main source of energy, structure of plant cell wall.

3.Lipid: Insulator and stores fat and energy.

4.Protein: Provide structural support,transport, enzymes, movement, defense.

lipid

explanation:

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it