13.1 & 13.2 crossword puzzle

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Across
  1. 2. A virus that infects and replicates inside bacteria
  2. 7. Discovered that DNA is the genetic material in a virus
  3. 8. The basic building block of DNA and RNA
  4. 9. Chargaff's rules
  5. 10. Discovered bacterial transformation
Down
  1. 1. Studied the fine structure of coal and carbon
  2. 3. Two long chains of nucleotides that are intertwined
  3. 4. Discovered that DNA is the material that carries genetic information
  4. 5. The specific chemical guidelines dictating which DNA/RNA building blocks connect
  5. 6. Discovered the double helix structure of DNA