What is the function of the macromolecule subunit below?

Answer:
C. Stores genetic information
Explanation:
The macromolecule shown in the image represents nucleotide as it consist of one phosphate, one pentose sugar, and one nitrogenous Base.
The nucleotides are found in Nucleic acids (DNA and RNA) that functions to store genetic information and transfer it to next generation. They are found in all living things on Earth.
Hence, the correct option is "C. Stores genetic information".