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 under the 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.
B
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A) differentiation B) genetic exchange C) maturation D) mutagensis
Genes that affect the __________ system often affect
behavior. Fill in the blank(s) with the appropriate word(s).
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