Ch.12 DNA & Ch. 2-4 Enzymes Vocab - Nitya Jain

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Across
  1. 2. a substance that speeds up the rate of a chemical reaction
  2. 4. the observation that [A] = [T] and [G] = [C]
  3. 6. an enzyme that unzips DNA by breaking hydrogen bonds
  4. 7. a pair of helices twisted around each other
  5. 9. the nearly perfect fit between A–T and G–C nucleotides
  6. 11. the element or compound produced by a chemical reaction
  7. 14. a process that changes or transforms one set of chemicals into another
  8. 15. a process of cells duplicating DNA before they divide
  9. 16. when changes in pH or temperature change the shape of a protein making it non-functional
  10. 17. proteins that speed up chemical reactions that take place in cells
  11. 20. two strands of DNA running in opposite directions
  12. 21. an enzyme that adds some RNA nucleotide to the beginning of the new DNA strand
Down
  1. 1. a region on an enzyme that binds to a protein or other substance during a reaction
  2. 3. the principal enzyme involved in DNA replication
  3. 5. a process when a harmless form of bacteria changes into a disease causing form
  4. 8. an enzyme that links the fragments of the backbone of DNA strands together
  5. 10. bases that contain nitrogen
  6. 12. energy the energy needed to get a reaction started
  7. 13. a kind of virus that infects bacteria
  8. 15. the element or compound that enters a chemical reaction
  9. 18. a nucleic acid made up of nucleotides joined into long strands or chains
  10. 19. an extended spiral chain of units in a protein, nucleic acid, or other large molecule