| Term | Definition |
| DNA | deoxyribonucleic acid-> transmits genetic information |
| RNA | ribonucleic acid-> protein sythesis |
| Nucleotides | genes consist sequence of nucleotides |
| Purine | 5-member ring connected to 6 ring ------Guanine.Adenine (GAP) |
| Pyrimidine | 6-member ring made up of C & N--Cytosine,Thymine(DNA ONLY),Uracil (RNA only) |
| DNA (2) | no uracil,pentose sugar deoxyribose |
| RNA (2) | uracil instead of thymine, pentose sugar ribose |
| Messenger RNA | mRNA. brings message |
| Transfer RNA | tRNA. transfers amino acids |
| Ribosomal RNA | rRNA. makes up ribosomes. |
| Adenosine Triphosphate | ATP- source of cellular energy. |