| A | B |
|---|
| DNA | Deoxyribonucleic Acid |
| DNA | nucleic acid that stores and transmits genetic instructions from parent to child |
| nucleotide | building block of a nucleic acid; made of a sugar molecule, a phosphate group, and a nitrogen base |
| Adenine | Nitrogen base of DNA that bonds with Thymine |
| Thymine | Nitrogen base of DNA that bonds with Adenine |
| Cytosine | Nitrogen base of DNA that bonds with Guanine |
| Guanine | Nitrogen base of DNA that bonds with Cytosine |
| Deoxyribose and Phosphate Group | These form the backbone of DNA |
| Watson and Crick | These two scientists figured out the structure of DNA |
| Double Helix | Term that describes DNA structure: means two strands, shaped like a spiral staircase |
| Base Pair Rules | Adenine bonds with Thymine, Cytosine bonds with Guanine |
| Purines | Nitrogen bases of DNA that have a double ring structure |
| Pyrimidines | Nitrogen bases of DNA that have a single ring structure |
| Two | Number of hydrogen bonds between Adenine & Thymine |
| Three | Number of hydrogen bonds between Cytosine & Guanine |
| DNA Replication | Process by which DNA is copied |
