OBJECTIVE LIFE SCIENCE
SIGNALLING IMMUNOLOGY CANCER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which type of cell does not for “memory cells”?
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CTL
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T-Cell
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B-Cell
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NK
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Explanation:
Detailed explanation-1: -A type of immune cell that has granules (small particles) with enzymes that can kill tumor cells or cells infected with a virus. An NK cell is a type of white blood cell. Also called natural killer cell and NK-LGL.
Detailed explanation-2: -Natural killer (NK) cells are CD3-negative lymphocytes which do not express antigen-specific receptors at their surface.
Detailed explanation-3: -The correct answer is (a) NK cells cannot kill body cells that lack MHC markers.
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