Is this a science problem
Answer:
During presentation of APC-bound antigen, macrophages and dendritic cells secrete the cytokine, interleukin-1, that activates T helper cells
Explanation:
Macrophages interact with T cells in order to generate T cell activation in target organs, and are themselves activated by inflammatory messenger molecules (cytokines) produced by the T cells.
Macrophages produce toxic chemicals, such as nitric oxide, that can kill surrounding cells.
During presentation of APC-bound antigen, macrophages and dendritic cells secrete the cytokine, interleukin-1, that activates T helper cells
Answer:
<em>Since the U.S. has so many resources why do we trade with other countries? Comparative advantage. Create goodwill. </em><u><em>Lack of workers.</em></u><em> Too many products</em>.
Explanation:
<em>LACK OR WORKERS </em>
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