Transcription

Transcription - Transcription Making an RNA copy of DNA RNA...

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Transcription Making an RNA copy of DNA The DNA double strands split open and one strand serves as a template for RNA synthesis Nucleotides are added one at a time using the DNA as a template. RNA
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The enzyme that catalyzes the reaction is called RNA polymerase Nucleotides are added one at a time and they are complimentary to the DNA template The new nucleotide is added on to the existing 3’ end of the chain. The bond connects the 3’OH to the Phosphate group on the 5’ carbon. Only one strand of DNA is copied.
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Prokaryotic transcription One type of RNA polymerase transcribes all of the types of RNA. Genes are arranged in groups called operons and all of the genes get transcribed together. Sigma factors help to get the process started
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PROMOTERS - help get RNA polymerase in position Promoters are DNA sequences The first nucleotide in DNA that is copied into RNA is called +1.
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This note was uploaded on 03/21/2008 for the course BIO 2300 taught by Professor Brewer during the Spring '08 term at Georgia State.

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Transcription - Transcription Making an RNA copy of DNA RNA...

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