| A | B |
|---|
| The three dimensional structure of DNA | Double Helix |
| Loosely packed DNA | Chromatin |
| Tightly packed DNA | Chromosome |
| Chemical that stores information in the cell. | DNA |
| Guanine | Matches with Cytosine |
| Cytosine | Matches with Guanine |
| Adenine | Matches with Thymine |
| Thymine | Matches with Adenine |
| Hydrogen Bonds | Bonds that hold the two strands of DNA together |
| Watson and Crick | The scientists that discovered the three dimensional structure of DNA |
| Template Strand | The strand of DNA used to make a new copy of DNA |
| Complementary Strand | The strand that matches with the template strand. |
| Replication | The process of copying DNA |
| DNA polymerase | The enzyme that matches base pairs during DNA replication. |
| Helicase | The enzyme that unzips the double helix. |
