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Unit 1

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Microbes and molecules

Microbes and molecules is a collection of practical activities that can be used in courses on microbiology and DNA technology. The activities can be targeted at a variety of levels.

 

Contents

Model-making

  • Cut-out DNA model
  • Cut-out bacteriophage model

DNA extraction

  • Extracting DNA from bacteria
  • Extracting DNA from onions

Productive microbes

  • Amylase production
  • Cellulase production
  • Antibiotic production

Monitoring microbial activity

  • Bread dough
  • Immobilised yeast cells
  • The microbial fuel cell

Bacterial conjugation

  • Gene transfer
  • Gene transfer by Agrobacterium tumefaciens

Appendicies

  • Recipes for microbial media
  • Basic microbiological techniques