Activated T_H Cells Signal to B Cells to Initiate Their

Multiple Choice

Activated T_H cells signal to B cells to initiate their activation program via which of the following?

A) CD40L on the T cell to CD40 on the B cell
B) CD40 on the T cell to CD40L on the B cell
C) FasL on the T cell to Fas on the B cell
D) Fas on the T cell to FasL on the B cell
E) Notch ligand on the B cell to Notch1 on the T cell