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Polymerase chain reaction is a cornerstone of molecular biology research. Using short pieces of single-stranded DNA called primers the previously invisible becomes tangible.

Thursday, December 01, 2011

Source Material


Here’s another list of ten items.  Again, how far down the list must you go until you can correctly guess what they all have in common?
  1. toothpaste
  2. bread
  3. concrete
  4. train brakes
  5. fine bone china
  6. sand paper
  7. bullets
  8. cigarette filters
  9. heart valves
  10. renewable fuel






Answer:  Components of these products are derived from pig parts.

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