All energy Earth receives from the sun is turned into energy for other things like food and nutrients.<span />
Nucleic acids are biochemical macromolecules that store and transfer genetic information in the cell. They use their stored genetic information to direct the synthesis of new proteins in the cell. New proteins can be synthesized by the ribosomes from the DNA and genes held in the nucleic acids.
Your answer is going to be A. Excretory.
