| A | B |
|---|
| Alter | To change or make different |
| Nucleotides | Make up the structure of DNA; consist of phosphate, deoxyribose sugar and nitrogen bases |
| DNA | Deoxyribonucleic acid |
| Watson and Crick | Discovered the structure of DNA |
| Double Helix | "Twisted ladder" structure of DNA |
| Deoxyribose Sugar | Sugar within the structure of DNA |
| Replicate | To copy |
| Advantage | Benefit or profit; gain |
| Deoxyribonucleic Acid | Long chains made up of thousands of repeating units called nucleotides |
| Nitrogen Bases | Adenine, Thymine, Guanine and Cytosine; make up the rungs of the ladder in DNA |
| Synthesis | To make |
| RNA | Ribonucleic acid |
