Which section is involved in negative control? In which section would you find p

Question

Which section is involved in negative control? In which section would you find positive control? In which section or sections would you find a stop codon? You are studying a regulatory region for a eukaryotic gene and discover a region of CG di-nucleotides near the promoter that have been methylated What do you conclude about this gone? The tryptophan operon is A mutation occurs in the loader sequence of the tryptophan operon. Both of the tryptophan codons are deleted What would the consequences of this mutation be? Triploidy in humans would be- an example of In the presence of the repressor molecule and abundant tryptophan, the tryptophan operon is Enhancers are cis-acting and transcription factors are trans-acting. An examination of Drosophila polytene chromosomes reveals a loop in one of the chromosomes. What have you detected?

Explanation / Answer

19. b

20. e

21. e

22. b

23. e

24. a

25. b

26. c

27. a

28. b

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