Which of the following is something antibodies do not do?
A. Bind antigen molecules of two or more enemy cells and stick them together
B. Neutralize antigens by binding to regions of an antigen that can be pathogenic
C. Bind to enemy cells, thus changing their shape so their complement-binding sites are exposed
D. Link antigen molecules together
E. Differentiate into memory antibodies, which upon reexposure to the same pathogen would mount a quicker attack
Answer: E
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