Chapter 8 Molecular Genetics

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Across
  1. 3. Protein that alters the specificity of RNA polymerase for a promoter or set of promoters, making it more or
  2. 4. A 180 base pair long highly conserved segment of DNA; encodes a 60 amino acid domain within the protein
  3. 5. as the homeodomain), which can bind DNA.
  4. 7. Protein that enhances the interaction between RNA polymerase and a particular promoter.
  5. 8. Genes that contain a highly conserved DNA sequence known as a homeobox and are involved in the regulation
  6. 10. the initiation complex.
  7. 11. Site on the DNA strand that can be bound by activator(s) in order to loop the DNA, bringing a specific promoter
  8. 15. Transcription factor that helps position RNA polymerase at the start of a gene.
Down
  1. 1. A regulatory GTP hydrolase that cycles between an activated and inactivated form; activated when GTP is
  2. 2. A region of DNA which regulates the expression of a gene or multiple genes located on that same strand of
  3. 6. Gene that controls the shape of a developing zygote early in its development; encodes transcription factors.
  4. 9. to it.
  5. 12. present, RNA polymerase binds to the TATA box, completing the initiation complex.
  6. 13. likely to bind to the promoter and begin transcription.
  7. 14. A cis-regulatory element found in the promoter of most eukaryotic genes; when the appropriate cellular signals
  8. 16. genes important to development; encodes transcription factors.