DNA, RNA and Enzymes 4.5 / 5 based on 7 ratings ? BiologyDNA, genetics and evolutionA2/A-levelAQA Created by: AdalinaHCreated on: 02-02-17 19:39 7462531 Across 1. The base Thymine joins with: (7) 5. In DNA replication, which enzyme breaks down the hydrogen bonds between bases? (3, 8) 6. If an enzyme's bonds break and the active site changes, the enzyme is known as being... (9) Down 2. RNA has the bases: (1, 1, 1, 3, 1) 3. Meselson and Stahl conducted an experiment using which element? (8) 4. How does DNA replicate? (4, 14) 7. Enzyme action can be explained by... (3, 7, 3, 5)
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