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alshernandez alshernandez
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6 years ago
Chitin, which forms the exoskeletons of insects, is composed of
 a. (14) linked N-acetylglucosamine residues
  b. (14) linked N-acetylglucosamine residues
  c. (14) linked glucose residues
  d. (14) linked glucose residues
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achurchachurch
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6 years ago
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