| Term | Definition |
| nucleic acids | polymers of nucleotides that store commands determining protein stucture. |
| nucleotides | 5-C sugar containing Phosphate group and Nitrogen base |
| ribose | 5-C sugars |
| DNA | a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix |
| RNA | a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes |
| purines | Adenine and guanine |
| pyramides | cytosine and thymine |
| uracil | RNA only |
| ATP | adenine joined with ribose and 3 phosphate groups |