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joewalcott24 joewalcott24
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6 years ago
Proteins that are produced by the immune system in response to specific foreign viruses and bacteria are called
 
  a. hormones.
  b. antibodies.
  c. lipoproteins.
  d. enzymes.
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tkelems2012tkelems2012
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joewalcott24 Author
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6 years ago
Brilliant ツ
Tabitha.davis
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alpheratz
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