Question

Which two macromolecules contain nitrogen?

Answer 1

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).

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Answer 2

Answer:

Proteins and nucleic acids

Explanation:

Proteins are the polymers of amino acids. Each amino acid has one central carbon atom to which four functional groups are attached: amino group, carboxyl group, hydrogen atom and side chain.

Nucleic acids (DNA and RNA) are polymers of nucleotides each of which consists of pentose sugar, phosphate molecule and one nitrogenous base (adenine, guanine, cytosine, uracil and thymine).

Hence, amino acids and nitrogenous bases of proteins and nucleic acids contain nitrogen.