Question

the ______ family of macromolecules are composed of carbon, hydrogen and oxygen in a 1:2:1 ratio and includes sugars, starches, glycogen, and cellulose.
o protein
o nucleic acid
o carbohydrate
o lipid

Explanation:

Carbohydrates are macromolecules composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio and include sugars, starches, glycogen, and cellulose. Proteins are made of amino - acids, nucleic acids are polymers of nucleotides, and lipids have a different elemental composition and structure compared to the description given.

Answer:

C. carbohydrate