Helper T-cells:(a) Suppress the total immune reaction(b) Directly attack and destroy antigens(c) Attract other T-cells(d) Stimulate antibody production of β-cells

Helper T-cells:(a) Suppress the total immune reaction(b) Directly atta

1.	Helper T-cells:(a) Suppress the total immune reaction(b) Directly attack and destroy antigens(c) Attract other T-cells(d) Stimulate antibody production of β-cells
Answer» (d) Stimulate antibody production of β-cells