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Question

Which of the following is true about T-cells

A
T-cells do not produce antibodies
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B
T-cells recognize host cells that have been invaded by the pathogen
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C

T-cell based immunity that targets the cells and the intracellular pathogen is known as ‘Cellular Immunity’.

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D
All of the above
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Solution

The correct option is D All of the above

T-lymphocytes or T-cells, do not themselves produce antibodies. They help B-cells in the process of recognition of pathogen proteins. This, in turn, helps B-cells produce antibodies that can recognize and bind to specific proteins produced by the infectious agent. Unlike B-cells that recognizes antigen released or surface bound to the pathogen, T-cells recognize host cells that have been invaded by the pathogen, that is they recognize intracellular pathogens. The T-cell based immunity that targets the cells and the intracellular pathogen is known as ‘Cellular Immunity’.


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