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lindseyb1220 lindseyb1220
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6 years ago
In addition to carbon, hydrogen, and oxygen, amino acids also contain
 
  a. nitrogen.
  b. potassium.
  c. iron.
  d. sodium.
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DJF101814DJF101814
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6 years ago
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lindseyb1220 Author
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6 years ago
Smart ... Thanks!
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Yesterday
Thanks for your help!!
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2 hours ago
You make an excellent tutor!
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