chapter 8

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Across
  1. 5. carries amino acid over to ribosome to create polypeptide
  2. 8. means each daughter dsDNA is identical to parents
  3. 10. code for proteins (enzymes, transport proteins, receptors.)
  4. 13. contains promotor, operator, and structural genes
  5. 14. contains the promotor and operator region
  6. 17. dsDNA is used to synthesize an RNA molecule.
  7. 18. the repression of transcription
  8. 21. the third nuleotide of a codon that can change without mutation
  9. 23. organelle of protein production
  10. 24. binds to repressor to turn on transcription
  11. 25. the total sum of genetic material of a living organism or virus
  12. 26. binds to operator preventing transcription to save ATP expense
  13. 28. DNA into RNA into protein.
Down
  1. 1. turns on gene expression. OFF
  2. 2. segment of DNA that controls transcription of structural genes by binding to a repressor site
  3. 3. what DNA is wound around in eukaryotic cells
  4. 4. inhibits gene expression and decreases protein synthesis, mediated by repressors. ON
  5. 6. binds to CAP to to create more mRNA for lactose digestion. An "alarmone"
  6. 7. used to produce protein
  7. 9. control gene expression
  8. 11. groups of three nucleotides in mRNA that encode for amino acid
  9. 12. the sum of all genes or organsims distinctive genetic makeup
  10. 15. monomers of nucleic acids composed of 5-carbon sugar, phosphate group, nitrogenous base
  11. 16. exprssion of the genotype through traits
  12. 19. in E. coli contains 3 enzymes to metabolize lactose for ATP. Inducible
  13. 20. repressible operon in which triptophan acts as corepressor to stop more synthesis
  14. 22. segment of bacterial DNA where polyamerase RNA initiates transcription
  15. 27. composes the ribosome