Multiple Choice
What cytokine is secreted by helper T cells, and stimulates proliferation of helper T cells and cytotoxic T cells, proliferation and differentiation of B cells, and enhances the activity of natural killer cells?
A) interleukin -5
B) interferon -1
C) interleukin -4
D) interferon -2
E) interleukin -10
Correct Answer:

Verified
Correct Answer:
Verified
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