BIOL 121 (2012) Spring Exam 3 + Key

Therefore a mutation in lacy coding sequence would

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Unformatted text preview: (5 pts) A) Yes- a mutation in the CAP coding sequence could result in a protein that adopts the same conformation as the cAMP- bound state of CAP. The mutant protein would then bind DNA and activate transcription irrespective of the concentration of cAMP. B) A mutation in the ribosome binding site sequence of the gene encoding CAP (5 pts) B) No- a mutation in the ribosome binding site would only affect CAP protein level. Changing the amount of CAP protein would not eliminate the dependence on cAMP for binding DNA. C) A mutation in the ribosome binding si...
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