Question

if a culture of liver cells were deprived of amino acids, which category of macromolecule would the liver cells not be able to construct properly?
carbohydrates
lipids
nucleic acids
proteins

Explanation:

Proteins are made of amino - acids. Without amino - acids, proper protein construction is impaired. Carbohydrates are made of monosaccharides, lipids of fatty acids and glycerol, and nucleic acids of nucleotides.

Answer:

D. proteins