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victrous victrous
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Posts: 611
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6 years ago
Which cells become activated only if the antigen appears in the body at a later date?
A) helper T cells
B) regulatory cells
C) macrophages
D) memory B cells
E) cytotoxic T cells
Textbook 
Human Anatomy

Human Anatomy


Edition: 9th
Authors:
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1 Reply
Human Anatomy, 9/E

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