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Home Q & A Board Biology-Related Homework Help General Biology
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G.zepp G.zepp
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6 years ago
. Complement refers to a set of specific
 
  a. vaccines.
  b. defense proteins.
  c. antibodies.
  d. antibiotics.
  e. lymphocytes.

Question 2

Natural killer cells destroy target cells by
 
  a. releasing antibiotics, which breakdown the cell membrane.
  b. releasing perforin, which creates holes in the cell membrane.
  c. releasing histamine, which signals other blood cells to aggregate.
  d. releasing lysozyme, which breaks down the cell wall.
  e. releasing antibodies, which break down the cell wall.
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sammholdersammholder
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6 years ago
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G.zepp Author
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6 years ago
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6 years ago
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