Chapter 8

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Across
  1. 3. groups of 3 nucleotides in mRNA
  2. 7. always pairs with cytosine
  3. 8. control gene expression
  4. 10. a distinct cellular structure composed of DNA & protein
  5. 13. turns on gene expression
  6. 15. segment of DNA that controls transcription of structural genes by binding to a repressor protein
  7. 16. expression of the genotype that creates traits
  8. 18. an event in which one bacterium donates DNA to another bacterium
  9. 19. these do not appear to be regulated and are always“turned on”
Down
  1. 1. organism’s distinctive genetic makeup
  2. 2. segment of DNA where RNA polymerase initiates transcription of structural genes
  3. 4. The study of inheritance
  4. 5. set of operator and promoter sites and the structural genes they control
  5. 6. dsDNA is used to synthesize an RNA molecule
  6. 9. inhibits gene expression and decreases protein synthesis
  7. 11. always pairs with thymine
  8. 12. code for proteins
  9. 14. of RNA that always pairs with Adenine
  10. 17. the organelles of protein production in living organisms