A complete T-cell receptor on a helper T cell contains both the antigen-binding receptor molecule and what other protein for signal transduction?
A) CD8
B) CD3 complex
C) MHC I
D) MHC II
E) CD28

Question

Quizplus · Accepted Answer

The CD3 complex is associated with the T-cell receptor (TCR) on T cells and is essential for signal transduction after antigen recognition, enabling the T cell to become activated.

A Complete T-Cell Receptor on a Helper T Cell Contains