Unit 1 Cells

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Across
  1. 2. the base in place of t in RNA
  2. 3. the process which makes the substrate fit the active site
  3. 6. a triplet of bases in mRNA
  4. 9. changes on the genome
  5. 10. cells unspecialized cells
  6. 11. cell division
  7. 13. where DNA replication begins
  8. 15. coding regions of genes
  9. 16. joins free nucleotides to the exposed DNA bases
  10. 17. enzymes are made of
  11. 19. where splicing occurs
  12. 20. where an extra base is added
  13. 21. meiosis produces _________ cells
Down
  1. 1. where a section of one chromosome becomes broken and attaches to another which is not its homologous partner
  2. 4. non-coding regions of genes
  3. 5. when a substitution mutation turns into a stop codon
  4. 7. joins the chunk of the lagging strand in DNA replication together
  5. 8. PCR is used to ________ the DNA strand
  6. 12. the inhibitor which races the substrate to the active site
  7. 14. the first stage of DNA replication
  8. 18. enzymes _______ the activation energy
  9. 22. which types of stem cells are multipotent