| A | B |
| Deoxyribose Nucleic Acid | DNA |
| Polymer | chain of monomers |
| Adenine | Nitrogen Base A |
| Cytosine | Nitrogen Base C |
| Guanine | Nitrogen Base G |
| Thymine | Nitrogen Base T |
| Watson, Crick, Franklin, | Co-discoverers of DNA Structure |
| Purines | A & G |
| Pyrimidine | T & C |
| Antiparallel | To run in opposite directions |
| Chromosome | Coiled up DNA |
| DNA Replication | Semiconservative |
| Primase | Temporarily Adds RNA |
| Helicase | Unwinds the DNA molecule |
| Mutation | A change in the genetic code or pattern |
| PCR | Machine that copies the DNA strand |
| Monomer | Single unit of a larger molecule |
| Sugar-Phosphate-Nitrogen Base | All parts of a Nucleic Acid |
| Primer | Starting point for DNA additions |
| Polymerase | Adds DNA to a New Strand |
| Nuclease | An Enzyme that cleaves phosphate bonds |
| Fertilization | Combining Genetic Material |
| Gel Electrophoresis | Method of Separating DNA strands |
| Hydrogen Bonds | Weak bonds between molecules |
| Chargaff's Rule | A Goes with T, C goes with G |