gardalex2339 gardalex2339
  • 14-06-2017
  • Biology
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How many essential amino acids are there 22?

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absterhenry12
absterhenry12 absterhenry12
  • 19-06-2017
there are 9. phenylalanine, valine, threonine, tryptophan, methionine, leucine, isoleucine, lysine, and histidine 
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