試題詳解

4. Which of the following is a major difference between B-cell receptors (BCR) and T-cell receptors (TCR)?
(A) TCRs are highly specific.
(B) TCRs are part of the adaptive immune system, while BCRs are part of the innate immune system.
(C) BCRs are highly specific.
(D) TCRs can be found on the cell surface.
(E) B-cell receptors can be secreted.