10points
Which of the following happens when infected body cells are detected during a cell-mediated immune response?

Helper T cells divide and activate cytotoxic T cells, which destroy the infected cells.
Memory T cells divide and form helper T cells, which destroy the infected cells.
B lymphocytes divide and activate memory B cells, which destroy the infected cells.
Memory B cells divide and form plasma cells, which destroy the infected cells.

destruction of infected cells by cytotoxic T cells, or the destruction of intracellular pathogens by macrophage

Explanation:

A cell-mediated immune response is an immune response that does not involve antibodies. Cell-mediated immune responses involve the destruction of infected cells by cytotoxic T cells, or the destruction of pathogens by macrophages.

The answer cannot be either of the options involving B cells, as these are involved in the antibody response. The cytotoxic T cells are what actually destroy the infected cells (not helper T cells). Therefore, the answer is destruction of infected cells by cytotoxic T cells, or the destruction of intracellular pathogens by macrophage

the correct answer is option A

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which rock will weather faster?

answer: b rock

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