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Mark the correct role of cytosolic T-cells.

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Mark the correct role of cytosolic T-cells.

(a) Help in B-cell activation

(b) Produce cytotoxin

(c) Proliferate T-cell

(d) Kill the target cell

This question was addressed to me by my school principal while I was bunking the class.

This key question is from T-Cells topic in division Immunology of Life Sciences

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The correct option is (d) Kill the target cell

To explain I would say: Cytotoxic T-cell (CTL) once activated it initiate killing of target cells by attaching to it. After interaction with a target cell, it undergoes conjugate formation with the help of calcium. The killing action is performed by cytotoxic substances contained in granules of T-cells.

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