DNA is made up of nucleic acids. Protein is made up of amino acids. Nucleic acids are made up of DNA. Amino acids are made up of protein.
I gave my students this multiple choice question: In organisms, macromolecules are made up of subunits. Which of these pairs correctly describes how a macromolecule is constructed?

Only one answer is correct among these 4 choices:
- DNA is made up of nucleic acids.
- Protein is made up of amino acids.
- Nucleic acids are made up of DNA.
- Amino acids are made up of protein.

Could you tell me which one is correct?

Protein is made up of amino acids.