Multiple choice

The antigen that is not yet processed by an APC( antigen presenting cell) to smaller parts is termed as

  1. a native antigen

  2. an autoantigen

  3. endogenous antigens

  4. exogenous antigens

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A Correct answer
Explanation

A native antigen is an antigen that is not yet processed by an APC to smaller parts. T cells cannot bind native antigens, but require that they be processed by APCs, whereas B cells can be activated by native ones.