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Which of the following produces the antibodies employed in the specific immune response of vertebrates?

  • A.B lymphocytes
  • B.T lymphocytes
  • C.Neutrophils
  • D.Macrophages

Answer: A

Correct answer: B lymphocytes

Antibodies are made by B lymphocytes - strictly, by the plasma cells they become once activated. T lymphocytes carry the cell-mediated response and help B cells but secrete no antibody; neutrophils and macrophages phagocytose.

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