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Which of the following is NOT a step used by cytotoxic T cells to kill infected host cells? a)Secretion of granzyme b)Recognition of infected host cell using its TCR c) Secreting antibody specific against the pathogen. d) Secretion of perforin.

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adeoladokun31

Answer:

The correct answer is C

Explanation:

Cytotoxic cells are lymphocytes that kills or destroy cancerous cells, infected cells especially the one infected with virus, and damaged cells.

Cytotoxic cells does not secret antibodies to fight pathogens but the secret granzyme and perforin to kills infected cells.

They recognised their host cells by using their T cell receptors(TCR).