| A | B |
|---|
| nucleotide | monomer of a nucleic acid |
| parts of a nucleotide | 5-C sugar, phosphate and nitrogenous base |
| deoxyribose | sugar of DNA |
| DNA | deoxyribonucleic acid |
| bond between nitrogenous bases | hydrogen (weak) |
| bond between amino acids | peptide |
| 5-C sugar of RNA | ribose |
| purine | nitrogenous base with two fused carbon rings |
| pyrimidine | nitrogenous base with a single fused ring |
| adenine | thymine |
| guanine | cytosine |
| James Watson | Francis Crick |
| DNA helicase | enzyme that straightens and unzips DNA |
| DNA polymerase | enzyme that directs the synthesis of a new DNA strand |
| genetic code | code that correlates nucleotide sequence and amino acid sequence |
