RegofTranscription

RegofTranscription - How do promoters and transcription...

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How do promoters and transcription enhancers or repressors work? Transcription factors bind to DNA and help RNA polymerase get started OR block RNA polymerase from getting started
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An example of regulation in Prokaryotes The operon contains genes to metabolize lactose The CAP protein increases transcription
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There is also a repressor to keep genes off when no lactose is around
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Regulation of Transcription A question to ponder…. How is the expression of the protein regulated? OR Why are some proteins made in some cell types but not in others? OR “Which came first the transcription factor or the promoter?”
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THINK - we all start as a single cell How do we get to be a multicellular organism?
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How is it that we become all of the different cells in our body? Even in the zygote, there is a polarity (difference) in the distribution of transcription factors.
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Wherever the “white” transcription factor is now becomes dark blue and where the green is becomes light blue Regions of the embryo are different already at early stages
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How does this happen?
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RegofTranscription - How do promoters and transcription...

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