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Unformatted text preview: Biol 2107 Reading Guide Chapter 18 1. Briefly describe two main strategies that cells use to control metabolism. 2. Explain the adaptive advantage of bacterial genes grouped into an operon. 3. explain the concept of an operon and the function of the operator, repressor, and corepressor. 4. Explain how repressible and inducible operons differ and how those differences reflect differences in the pathways they control. 5. Distinguish between positive and negative control. 6. Define differential gene expression. At what level is gene expression generally controlled? 7. Distinguish between heterochromatin and euchromatin. 8. Explain how DNA methylation and histone acetylation affects chromatin structure and the regulation of transcription. 9. Define epigenetic inheritance. 10. Describe the role of the transcription initiation complex....
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This document was uploaded on 01/23/2012.
- Spring '09