Across
- 3. and Crick Built the first DNA model to explain
- 6. Molecules consisting of a nucleoside and phosphate group
- 7. The combination of a single base
- 9. A messenger carrying instructions from DNA
- 10. Composed of two chains that coil around each other(spiral)
Down
- 1. Discovered the shape of DNA
- 2. A mutation that exchanges one base for another
- 4. a sequence of nucleotides in DNA or RNA (unit of heredity)
- 5. Number of nucleotides deleted
- 8. Discovered the chemicals in DNA