Central Dogma of Molecular Biology - PowerPoint PPT Presentation

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Central Dogma of Molecular Biology

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  1. Central Dogma of Molecular Biology MT: Protein Synthesis

  2. What does Central Dogma mean? • Central = main • Dogma = belief • Ex: Christian Central Dogma: Christians believe there is one God

  3. Central Dogma of Molecular Biology Transcription (occurs in nucleus) Translation (occurs on ribosome in cytoplasm)

  4. Central Dogma of Molecular Biology • DNA is used as a template to make mRNA in a process called transcription • The mRNA is then used as a template to assemble a protein in a process called translation • **Only goes in one direction; cannot take a protein and make mRNA or DNA from it

  5. Central Dogma

  6. Where does each step occur? • TRANSCRIPTION: • DNA to mRNA • Occurs inside nucleus • TRANSLATION: • mRNA to protien • Occurs on a ribosome in the cytoplasm Transcription (in nucleus) Translation (on ribosome)