True or false. t cells secrete chemicals known as cytokines which cause proliferation of b cells into antibody-secreting plasma cells and memory b cells.

True

Explanation:

There are several types of cytokines used in cell signaling; interferons, interleukins, tumor necrotic factor, and chemokines. T helper cells mainly produce interleukins. When activated by Antigen-Presenting-cells, t-helper cells produce interleukins that activate B cells and is significant in their proliferation during an infection.

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haploid cells;