Which of the following statements about lymphocytes is FALSE?
A. Once they are mature, they migrate to secondary lymphoid organs.
B. B and T lymphocytes can be differentiated using a bright-field light microscope.
C. Lymphocytes have integral surface proteins by which they can be recognized.
D. The glycoproteins on the surface of a lymphocyte are designated with the prefix CD, for "cluster of differentiation."
E. Lymphocytes have different types of CD molecules in their cytoplasmic membranes.
Answer: B
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