Copyright © 2009 Pearson Education, Inc. The Genetic Code and Transcription Chapter 13 Lecture...

Copyright © 2009 Pearson Education, Inc.

The Genetic Code and Transcription

Chapter 13 Lecture

Concepts of GeneticsTenth Edition


13.1 The Genetic Code Uses Ribonucleotide Bases as “Letters”

tripletunambiguousdegeneratestart and stop signalscommalessnonoverlappingalmost universal


13.2 Early Studies Established the Basic Operational Patterns of the Code

13.2.1 The Triplet Nature of the Code


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


13.3 Studies by Nirenberg, Matthaei, and Others Led to Deciphering of the Code

13.3.1 Synthesizing Polypeptides in a Cell-Free

System



13.3.2 Homopolymer Codes

13.3.3 Mixed Copolymers



13.3.4 The Triplet Binding Assay

Copyright © 2009 Pearson Education, Inc.Figure 14-5 Copyright © 2006 Pearson Prentice Hall, Inc.

Figure 13.5



13.3.5 Repeating Copolymers

Copyright © 2009 Pearson Education, Inc.Figure 14-7 Copyright © 2006 Pearson Prentice Hall, Inc.

Figure 13.7


13.4 The Coding Dictionary Reveals Several Interesting Patterns among the 64 Codons

13.4.1 Degeneracy and the Wobble Hypothesis


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


13.6 The Genetic Code Is Nearly Universal


13.8 Transcription Synthesizes RNA on a DNA Template


13.9 Studies with Bacteria and Phages Provided Evidence for the Existence of mRNA


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


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


13.12 The Coding Regions of Eukaryotic Genes Are Interrupted by Intervening Sequences


13.11 RNA Editing May Modify the Final

Transcript


13.14 Transcription Has Been Visualized by Electron Microscopy

Copyright © 2009 Pearson Education, Inc. The Genetic Code and Transcription Chapter 13 Lecture...

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