Question

multiple - choice question
which macromolecules contain nitrogen (n)?
protein and nucleic acids
carbohydrates and lipids
rewatch

Explanation:

Proteins are made up of amino acids, which contain nitrogen. Nucleic acids (DNA and RNA) have nitrogenous bases. Carbohydrates are composed of carbon, hydrogen, and oxygen. Lipids mainly consist of carbon, hydrogen, and oxygen (some may have other elements in small amounts but not nitrogen as a main component like in proteins and nucleic acids).

Answer:

Protein and Nucleic Acids