| A | B |
| Who discovered the final structure of DNA? | Watson and Crick |
| What are the subunits that build the DNA? | nucleotides |
| What type of bond holds the sugar-phosphate backbone together? | Covalent bonds |
| What type of bonds are found between nitrogen base pairs? | Hydrogen bonds |
| What is the sugar that is found in DNA? | Deoxyribose |
| What are the names of the four bases found in DNA? | Adenine, thymine, guanine, cytosine |
| What is the shape of the DNA? | double helix |
| What are the base pairing rules? | A and T, C and G |
| Given the DNA sequence TTT-GCA-CGG-TAT what would the corresponding DNA bases be? | AAA-CGT-GCC-ATA |
| Where in eukaryotic cells is the DNA found? | nucleus |
| What does DNA stand for? | Deoxyribonucleic Acid |