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DNA & Replication
Structure of DNA & DNA Replication
| Question | Answer |
|---|---|
| This person discovered the double-helix structure of DNA using x-ray diffraction. | Rosalind Franklin |
| These people made the first model showing DNA's double-helix shape. | Watson and Crick |
| DNA is an example of what type of macromolecule? | nucleic acid |
| What is the monomer that makes up DNA? | nucleotide |
| What are the three parts of a nucleotide? | sugar, base and nitrogen base |
| What sugar is found in DNA? | deoxyribose |
| What are the four nitrogen bases found in DNA? | adenine, guanine, cytosine and thymine |
| In DNA, adenine base pairs with what nitrogen base? | thymine |
| In DNA, guanine base pairs with what nitrogen base? | cytosine |
| In DNA, there must be an equal amount of adenine as ________. | thymine |
| In DNA, there must be an equal amount of cytosine as __________. | guanine |
| How many rings in a purine? | two |
| How many rings in a pyrimidine? | one |
| What nitrogen bases are purines? | adenine and guanine |
| What nitrogen bases are pyrimidines? | thymine and cytosine |
| What bond holds the nitrogen bases together? | hydrogen bond |
| What is the shape of DNA? | double-helix |
| What is being made in DNA replication? | two idential molecules of DNA |
| In DNA replication, what enzyme breaks the hydrogen bonds of the original DNA molecule? | DNA helicase |
| In DNA replication, what enzyme adds free nucleotides? | DNA polymerase |
| In DNA replication, the two new molecules of DNA each contain one original strand and one ______ strand. | new |
| Where does DNA replication take place in eukaryotic cells? | nucleus |
| If a DNA strand reads G - C - T - A, what nucleotides will you find on the complementary strand? | C - G - A - T |