Chapter 42. Lab XI-3 Extract, Isolate, and Visualize DNA

Equipment and Materials

You’ll need the following items to complete this lab session. (The standard kit for this book, available from http://www.thehomescientist.com, includes the items listed in the first group.)

Materials from Kit

  • Goggles

  • Beaker, 100 mL

  • Beaker, 250 mL

  • Centrifuge tubes, 15 mL

  • Centrifuge tubes, 50 mL

  • Coverslips

  • Methylene blue stain

  • Microscope slides (flat)

  • Papain powder

  • Pipettes

  • Stirring rod

  • Test tubes

  • Test tube rack

Materials you Provide

  • Gloves

  • Alcohol (see text)

  • Cheesecloth (or muslin, etc.)

  • Chopsticks, disposable wooden (optional)

  • Dishwashing liquid (Dawn or similar)

  • Freezer

  • Microscope

  • Saucer

  • Table salt

  • Teaspoon

  • Toothpicks

  • Specimens: raw and cooked ground beef

  • Specimens: vegetables (tomato paste, ...

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