3_Transcription - Transcription 1/30/07 Information flow...

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Transcription 1/30/07 Information flow and the Central Dogma Francis Crick – wrote how information flows: DNA RNA Protein - DNA has the instructions to construct RNA - RNA has the instructions to make proteins o But not all RNA does, only MESSENGER RNA (mRNA) Transcription : process between DNA and RNA - RNA polymerase is responsible for this process Translation : process between RNA and Protein - ribosomes are responsible for this process Types of RNA: all created from DNA during the process of transcription, not all are translated Messenger (mRNA) Transfer (tRNA) Ribosomal (rRNA) Small nuclear (snRNA) Translates to make proteins that your body needs Transport role Structural role: builds the ribosome Eukaryotic only because they’re found in the nucleus Receptors and chanels through the membrane Not translated! Not translated! Not translated! Reverse transcriptase is caused by Retro Viruses - RNA genome of the template will make a DNA copy (opposite of normal) - DNA RNA coupled
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3_Transcription - Transcription 1/30/07 Information flow...

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