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Posted by on Saturday, January 24, 2009 at 3:21am.

what is protien?

  • nutrition - , Saturday, January 24, 2009 at 4:29am

    It's spelled protein.

    There is a good short defintion here:
    http://www.thefreedictionary.com/protein

    You should also look up "amino acids", which are the building blocks of protein macromolecules.

  • nutrition - , Wednesday, September 2, 2009 at 9:07am

    protein

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