HHB Unit 1 KA2
Across
- 3. base that pairs with cytosine
- 6. Allows primers to bind to two ends of target sequence
- 8. subunit of DNA consisting of deoxyribose sugar, phosphate group and a base
- 11. base that pairs with guanine
- 15. parallel strands in DNA that run in opposite directions
- 16. base that pairs with thymine
- 17. used to amplify DNA samples
- 18. component of DNA molecule (makes the backbone along with sugar)
- 19. short complementary strand of DNA
- 20. deoxyribonucleic acid; molecule that holds the genetic code in organisms
- 21. strands DNA strand on which a complementary strand is made
- 22. base that pairs with adenine
- 23. formation of copies of DNA molecules
- 25. Separates the two DNA strands
Down
- 1. polymerase enzyme that unwinds and unzips DNA, adds free nucleotides during DNA replication
- 2. sugar that is a component of DNA molecules
- 4. Allows DNA replication with heat tolerant DNA polymerase
- 5. three-dimensional shape of a DNA molecule
- 7. bonds weak chemical link joining complementary base pairs in DNA
- 9. DNA strand that is replicated in fragments
- 10. strongly bonded strand of DNA
- 12. nitrogenous substance that is a component of DNA
- 13. enzyme that joins DNA fragments
- 14. DNA strand that is replicated continuously
- 24. strand of nucleic acid running from a sugar to a phosphate