Coreceptor molecules are required by TC and TH cells so that the TCR can stably bind to the MHC peptide presenting the antigen.All of the following are coreceptor molecules common to both TC and TH cells and their respective antigen-presenting cells EXCEPT
A) CD2/LFA-3.
B) CD28/B7.
C) CD45R/CD22.
D) LFA-1/ICAM-1.
E) All of the answers are correct.
Correct Answer:
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