Readme These files form the components of a book, "Working with Molecular Genetics" by Ross C. Hardison. This was used in teaching an upper level undergradudate course at Penn State University until 2002. This material is free for any use except grabbing it and publishing it for profit. This is order intended for the individual files: Part One Overview Chapter 1. Fundamental properties of genes Chapter 2. Structures of nucleic acids Chapter 3. Isolating and analyzing genes: Recombinant DNA, PCR and what you can learn from them Chapter 4. Genomes and chromosomes Part One Answers Chapter 5. Replication I: Enzymology Chapter 6. Replication I: Start, stop and control Chapter 7. Mutability and repair of DNA Chapter 8. Recombination of DNA Chapter 9. Transposition Part Two Answers Chapter 10. Transcription: RNA polymerases Chapter 11. Transcription: Promoters Chapter 12. RNA processing Chapter 13. Genetic code Chapter 14. Translation Part Three Answers Part Four Overview Chapter 15. Positive and negative control illustrated by the lac operon Chapter 16. Transcriptional regulation by effects on RNA polymerase Chapter 17. Bacteriophage lambda Chapter 18. Regulation after initation of transcription Chapter 19. Regulation of eukaryotic genes Chapter 20. Regulation by changes in chromatin structure Part Four summary: Themes in mechanisms of gene regulation Part Four Answers