Unit V Ch12 Gene Expression

Unit V Ch12 Gene Expression - Chapter 12 Chapter Gene...

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Unformatted text preview: Chapter 12 Chapter Gene Expression and Regulation Informat Informat ion ion Flow: Flow: DNA=>R NA=>Pr otein DNA vs. RNA DNA DNA double stranded DNA stranded stranded Transcription DNA mRNA C G G C T A A U Translation mRNA tRNA C­G A­U RNA single Replication DNA DNA C­G A­T Major types of RNA Major 3 bases = CODON Carries ANTICODON Transcription: RNA Synthesis ~ Gene controlled by Promoter region ~ One strand of DNA used as template ~ in Nucleus Transcription Transcription Prokaryotic Gene Structure Prokaryotic Eukaryotic gene structure exons DNA promoter introns Exons Expressed in Protein Introns Intervening Sequences: do not make it to translation RNA Transcription in Action RNA Informat Informat ion ion Flow: Flow: DNA=>R NA=>Pr otein Translation: Protein Synthesis Always first amino acid of protein Gene expression is highly regulated E.coli (prokaryotic) Lactose Operon Androgen insensitivity Barr body ...
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This note was uploaded on 05/26/2011 for the course BIO 111 taught by Professor Osikanlu during the Spring '09 term at Moraine Valley Community College.

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Unit V Ch12 Gene Expression - Chapter 12 Chapter Gene...

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