In the cell-mediated immunoresponse, T-lymphocytes divide and secrete
A
antigens
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B
plasmogens
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C
collagens
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D
cytokines
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Solution
The correct option is D cytokines Cytokines are small proteins secreted by immune cells such as T-cells in cell-mediated immune response. These are often secreted by immune cells that have encountered a pathogen, thereby activating and recruiting further immune cells to increase the system's response against the pathogen.