Binding of _____ to _____ Induces T-Cell Proliferation and Differentiation

Multiple Choice

Binding of _____ to _____ induces T-cell proliferation and differentiation of activated T cells.

A) CD4; MHC class II
B) CD28; B7
C) LFA-1; ICAM-1
D) IL-2; the high-affinity IL-2 receptor
E) IL-2; the low-affinity IL-2 receptor.