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The Flow of Genetic Information

The Flow of Genetic Information. Figure 8.2. DNA. Polymer of nucleotides: Adenine, thymine, cytosine, and guanine Double helix associated with proteins "Backbone" is deoxyribose-phosphate Strands are held together by hydrogen bonds between AT and CG Strands are antiparallel. Figure 8.3b.

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The Flow of Genetic Information

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  1. The Flow of Genetic Information Figure 8.2

  2. DNA • Polymer of nucleotides: Adenine, thymine, cytosine, and guanine • Double helix associated with proteins • "Backbone" is deoxyribose-phosphate • Strands are held together by hydrogen bonds between AT and CG • Strands are antiparallel Figure 8.3b

  3. DNA Replication Step 1:

  4. DNA Replication Step 2:

  5. DNA Replication Step 3:

  6. Semiconservative Replication Figure 8.3a

  7. The Process of Transcription Figure 8.7

  8. The Process of Transcription Figure 8.7

  9. The Genetic Code Figure 8.8

  10. The Process of Translation Figure 8.9

  11. The Process of Translation Figure 8.9

  12. The Process of Translation Figure 8.9

  13. The Process of Translation Figure 8.9

  14. The Process of Translation Figure 8.9

  15. The Process of Translation Figure 8.9

  16. The Process of Translation Figure 8.9

  17. The Process of Translation Figure 8.9

  18. Simultaneous Transcription & Translation Figure 8.10

  19. Genetic Recombination • Vertical gene transfer: Occurs during reproduction between generations of cells. • Horizontal gene transfer: The transfer of genes between cells of the same generation.

  20. Genetic Transformation Figure 8.24

  21. Bacterial Conjugation Figure 8.26

  22. Conjugation in E. coli Figure 8.27a

  23. Conjugation in E. coli Figure 8.27b

  24. Conjugation in E. coli Figure 8.27c

  25. Transduction by a Bacteriophage Figure 8.28

  26. Plasmids • Conjugative plasmid: Carries genes for sex pili and transfer of the plasmid • Dissimilation plasmids: Encode enzymes for catabolism of unusual compounds • R factors: Encode antibiotic resistance

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