Respuesta :

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.

The two macromolecules that contain nitrogen are nucleic acids and proteins.

MACROMOLECULES:

  • Macromolecules are large molecule. They include carbohydrates, proteins, lipids and nucleic acids.

  • Proteins are structurally made up of monomers called amino acids, which possess a nitrogen element at the core of its structure.

  • Nucleic acids are a type of biological molecules that include DNA and RNA. DNA and RNA contain a structural component called nitrogenous base, which are four in number namely; adenine, guanine, cytosine and thymine.

  • Therefore, the two macromolecules that contain nitrogen are nucleic acids and proteins.

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