'Proteins called transcription factors' presentation slideshows

Chapter 19

Chapter 19. Eukaryotic Genomes: Organization, Regulation, and Evolution. Figure 19.1. Overview: How Eukaryotic Genomes Work and Evolve In eukaryotes, the DNA-protein complex, called chromatin Is ordered into higher structural levels than the DNA-protein complex in prokaryotes.

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Outline

Outline. Prokaryotic Regulation trp Operon lac Operon Eukaryotic Regulation Transcriptional Control Posttranscriptional Control Translational Control Posttranslational Control Genetic Mutations Cancer. Prokaryotic Regulation: The Operon Model. Operon consist of three components

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CHMI 2227E Biochemistry I

CHMI 2227E Biochemistry I. Gene expression. Nature of the gene. Genes are discrete regions of a DNA molecule Genes are permanent fixtures of your DNA; Every single cell in your body (every 100 trillion [i.e. 10 -15 cells] of them) has the exact, same DNA, the exact, same set of genes.

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Eukaryotic Gene Expression

Eukaryotic Gene Expression. Transduction. Transformation. Conjugation. Transposition. Differential Gene Expression. If all cells have the same genome, how do cells become differentiated in a multicellular organism ? only ~20% genes expressed in a typical cell. Figure 15.7.

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