HHB Unit 1 KA2

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Across
  1. 3. base that pairs with cytosine
  2. 6. Allows primers to bind to two ends of target sequence
  3. 8. subunit of DNA consisting of deoxyribose sugar, phosphate group and a base
  4. 11. base that pairs with guanine
  5. 15. parallel strands in DNA that run in opposite directions
  6. 16. base that pairs with thymine
  7. 17. used to amplify DNA samples
  8. 18. component of DNA molecule (makes the backbone along with sugar)
  9. 19. short complementary strand of DNA
  10. 20. deoxyribonucleic acid; molecule that holds the genetic code in organisms
  11. 21. strands DNA strand on which a complementary strand is made
  12. 22. base that pairs with adenine
  13. 23. formation of copies of DNA molecules
  14. 25. Separates the two DNA strands
Down
  1. 1. polymerase enzyme that unwinds and unzips DNA, adds free nucleotides during DNA replication
  2. 2. sugar that is a component of DNA molecules
  3. 4. Allows DNA replication with heat tolerant DNA polymerase
  4. 5. three-dimensional shape of a DNA molecule
  5. 7. bonds weak chemical link joining complementary base pairs in DNA
  6. 9. DNA strand that is replicated in fragments
  7. 10. strongly bonded strand of DNA
  8. 12. nitrogenous substance that is a component of DNA
  9. 13. enzyme that joins DNA fragments
  10. 14. DNA strand that is replicated continuously
  11. 24. strand of nucleic acid running from a sugar to a phosphate