Chapter 13 key terms

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Across
  1. 6. The shape of DNA.
  2. 9. Packages a DNA molecule into a more compact, denser structure.
  3. 10. provides structural support to a chromosome
  4. 11. A virus that infects/replicates within
  5. 12. Modifies genes naturally so that they don't follow heredity rules.
Down
  1. 1. Can infect a variety of living organisms
  2. 2. Melts hydrogen bonds that makes up the double helix structure of the DNA.
  3. 3. Synthesizes RNA primers.
  4. 4. Provides antibiotic resistance.
  5. 5. The end of a chromosome
  6. 7. Links DNA strands together using a phosphodiester bond.
  7. 8. The shorter end of a restriction enzyme.
  8. 13. The (nucleus) of a prokaryote.