Chapter%2017%20Outline

Chapter%2017%20Outline - Chapter 17 - From Gene to Protein...

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Unformatted text preview: Chapter 17 - From Gene to Protein The Flow of Genetic Information specific sequences of nucleotides protein synthesis transcription and translation Genes code for polypeptide chains RNA molecules Basic Principles of Transcription and Translation Transcription synthesis of RNA under the direction of DNA messenger RNA (mRNA) Translation synthesis of a polypeptide under the direction of mRNA Occurs on ribosomes Cells are governed by a cellular chain of command DNA RNA protein During transcription gene determines the sequence of bases Figure 17.4 Figure 17.3 Codons: Triplets of Bases sequence of nonoverlapping base triplets Codons Read in the 5 3 direction correct reading frame thereddogatethecat hereddogatethecat her/edd/oga/tet/hec/at Cracking the Code Fig 17.5 The stages of transcription are Initiation Elongation Termination Fig 17.7 Synthesis of an RNA Transcript...
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Chapter%2017%20Outline - Chapter 17 - From Gene to Protein...

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