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cell module 3 - Group 10 Cell and Molecular Biology Module...

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Group 10 Cell and Molecular Biology Module Homework 3 1. A T cell is a lymphocyte that matures in the thymus. Different T cells have different functions and are essential for a working immune system. Two kinds of T cells are cytotoxic T cells and helper T cells. Helper T cells activate and direct other immune cells, and cytotoxic T cells kill infected cells or other pathogens 2. For a B cell to be activated, a dendritic cell must present the antigen to T cells and activate them. The B cell must then encounter the antigen and an activated T cell in order to be activated.
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3. One difference between innate and adaptive immune responses is the general manner that these two responses go at responding to a situation. An innate immune response will attack infection in a very non-specific manner, while an adaptive immune response will attack infection in a more specific manner. Another difference between the two responses is that after an adaptive immune response, the body can sometimes gain immunity to that
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