Transcription of Lecture 037 - Eukaryotic Genetics
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Lecture 037 - Eukaryotic Genetics
Colonie High ap biology DeMarco/Goldberg The BIG Questions . chapter 16 How are genes turned on & off? How do cells with the same genes Regulation of Gene differentiate to perform completely different, Expression specialized functions in multicellular eukaryotes? Bacterial Metabolism Reminder: Regulation of Metabolism Bacteria need to respond quickly to Feedback inhibition changes in their environment product acts ex. if have enough of a product, as an allosteric need to stop production inhibitor of why? waste of energy to produce more 1st enzyme in how? stop production of synthesis enzymes tryptophan ex. if find new food/energy source, pathway need to utilize it quickly why? metabolism, growth, reproduction how? start production of digestive enzymes - = inhibition Another Way to Regulate Metabolism Gene Regulation in Bacteria Gene regulation Control of gene expression enables block individual bacteria to adjust their transcription of metabolism to environmental change genes for all enzymes in Cells vary amount of specific enzymes tryptophan by regulating gene transcription pathway turn genes on or turn genes off saves energy by ex.
Colonie High AP Biology DeMarco/Goldberg Chapter 16 Regulation of Gene Expression The BIG Questions… How are genes turned on & off? How do cells with the same genes differentiate to perform completely different,
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