Chapter 13

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Across
  1. 2. DNA at the end of eukaryotic chromosome
  2. 3. an organism that infects cells
  3. 4. Where DNA replication takes place
  4. 8. A large group of single cell organisms
  5. 10. ionizing radiation or particles
  6. 15. Copying DNA
  7. 16. Spiral shape
  8. 17. A catalyst made of protein
  9. 18. The forming of different things
Down
  1. 1. sugar found in RNA
  2. 5. DNA carriers
  3. 6. non pathogenic pneumococcal bacteria to virus
  4. 7. building blocks of nucleic acids
  5. 9. a bacteria infecting virus
  6. 11. when a strain of bacteria is changed by genes
  7. 12. contains nitrogen
  8. 13. DNA can only form between adenine and thymine
  9. 14. enzyme in DNA replication