copyright © 2009 pearson education, inc. the genetic code and transcription chapter 13 lecture...
TRANSCRIPT
Copyright © 2009 Pearson Education, Inc.
The Genetic Code and Transcription
Chapter 13 Lecture
Concepts of GeneticsTenth Edition
Copyright © 2009 Pearson Education, Inc. Figure 13.1
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13.1 The Genetic Code Uses Ribonucleotide Bases as “Letters”
tripletunambiguousdegeneratestart and stop signalscommalessnonoverlappingalmost universal
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13.2 Early Studies Established the Basic Operational Patterns of the Code
13.2.1 The Triplet Nature of the Code
Copyright © 2009 Pearson Education, Inc. Figure 13.2
Copyright © 2009 Pearson Education, Inc. Figure 13.2a
Copyright © 2009 Pearson Education, Inc. Figure 13.2b
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13.2 Early Studies Established the Basic Operational Patterns of the Code
13.2.2 The Nonoverlapping Nature of the Code
13.2.3 The Commaless and Degenerate Nature of the Code
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13.3 Studies by Nirenberg, Matthaei, and Others Led to Deciphering of the Code
13.3.1 Synthesizing Polypeptides in a Cell-Free
System
Copyright © 2009 Pearson Education, Inc. Figure 13.3
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13.3 Studies by Nirenberg, Matthaei, and Others Led to Deciphering of the Code
13.3.2 Homopolymer Codes
13.3.3 Mixed Copolymers
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Copyright © 2009 Pearson Education, Inc. Figure 13.4
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13.3 Studies by Nirenberg, Matthaei, and Others Led to Deciphering of the Code
13.3.4 The Triplet Binding Assay
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Figure 13.5
Copyright © 2009 Pearson Education, Inc. Table 13.2
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13.3 Studies by Nirenberg, Matthaei, and Others Led to Deciphering of the Code
13.3.5 Repeating Copolymers
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Copyright © 2009 Pearson Education, Inc. Table 13.3
Copyright © 2009 Pearson Education, Inc.Figure 14-7 Copyright © 2006 Pearson Prentice Hall, Inc.
Figure 13.7
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13.4 The Coding Dictionary Reveals Several Interesting Patterns among the 64 Codons
13.4.1 Degeneracy and the Wobble Hypothesis
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13.4 The Coding Dictionary Reveals Several Interesting Patterns among the 64 Codons
13.4.2 The Ordered Nature of the Code
13.4.3 Initiation, Termination, and Suppression
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13.6 The Genetic Code Is Nearly Universal
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Copyright © 2009 Pearson Education, Inc. Figure 13.8
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13.8 Transcription Synthesizes RNA on a DNA Template
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13.9 Studies with Bacteria and Phages Provided Evidence for the Existence of mRNA
Copyright © 2009 Pearson Education, Inc. Table 13.6
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13.10 RNA Polymerase Directs RNA Synthesis
13.10.1 Promoters, Template Binding, and the
Subunit
13.10.2 Initiation, Elongation, and Termination of RNA Synthesis
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13.11 Transcription in Eukaryotes Differs from Prokaryotic Transcription in Several Ways
13.11.1 Initiation of Transcription in Eukaryotes
13.11.2 Recent Discoveries Concerning RNA Polymerase Function
13.11.3 Heterogeneous Nuclear RNA and Its Processing: Caps and Tails
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Copyright © 2009 Pearson Education, Inc. Table 13.7
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13.12 The Coding Regions of Eukaryotic Genes Are Interrupted by Intervening Sequences
Copyright © 2009 Pearson Education, Inc. Figure 13.11
Copyright © 2009 Pearson Education, Inc. Figure 13.12
Copyright © 2009 Pearson Education, Inc. Table 13.8
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13.11 RNA Editing May Modify the Final
Transcript
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13.14 Transcription Has Been Visualized by Electron Microscopy
Copyright © 2009 Pearson Education, Inc. Figure 13.15