Chapter 12 Problems

Chapter 12 Problems - Name: Hellums, Jessica UTEID: JSH575...

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Unformatted text preview: Name: Hellums, Jessica UTEID: JSH575 Problems and Questions for Chapter 12 Material C5: Consensus = TATAAT Lac operon= TATGTT A. up promoter B. down promoter C. up promoter C6: The third and fourth positions are more tolerant of changes. These positions probably play less of an important role in the binding of sigma factor because the -35 site is what sigma factor recognizes when binding to the promoter and if the gene is still functional with a lot of variation at these locations then those locations are probably not important for sigma factor’s function. C15: The major differences between rho-dependent and rho-independent termination is that rho-independent uses a rho protein to facilitate termination while rho-independent doesn’t use proteins to separate the DNA and RNA. The rho-dependent also requires a specific RNA sequence called the rho binding sequence or rut site in order for the rho protein to recognize where to bind while the rho-indepent termination method uses a uracil rich site as the important...
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This homework help was uploaded on 04/07/2008 for the course BIO 325 taught by Professor Saxena during the Spring '08 term at University of Texas.

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Chapter 12 Problems - Name: Hellums, Jessica UTEID: JSH575...

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