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Cytokines are ________________(a) antigens(b) proteins(c) polysaccharides(d) carbohydratesThe question was posed to me in exam.This interesting question is from Immune Response topic in section Immune Response of Cell Biology

Answer»

The correct option is (B) PROTEINS

The explanation: Cytokines are small proteins that work at low concentrations; secreted by a wide variety of CELLS and include interferons (IFs), interleukins (ILs), and tumor necrosis factors (TNFs). In addition to cell-cell contact, the T-cells also MEDIATE their interactions by cytokines.



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