Multiple Choice
Which of the following statements does not represent the role of a cell marker in the third line of defense?
A) They serve as transcription factors to initiate antibody production.
B) They serve as recognition factors for self and nonself molecules.
C) They are attachment sites for foreign molecules.
D) They receive and transmit signals to coordinate the immune response.
Correct Answer:
Verified
Correct Answer:
Verified
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