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Question

State whether true or false:
T killer cells get activated only after a signal from helper T cells.


A

True

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B

False

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Solution

The correct option is A

True


T cells are responsible for cell mediated immunity. There are two types of T cells - killer T and helper T cells, each having a specific function. Helper T cells bind to macrophages that display non-self proteins on their surface. As they bind, they start to divide and release chemicals - typically cytokines, that activate the killer T cells to attack.


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