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 cell primes B AND T cells?
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Macrophages
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Helper T cells
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Cytotoxic T cells
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Humoral cells
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Explanation:
Detailed explanation-1: -Signal 1 prepares the B cell for its interaction with a helper T cell by increasing the expression of both class II MHC proteins and receptors for signal 2.
Detailed explanation-2: -B cells can prime naive CD4+ T cells in vivo in the absence of other professional antigen-presenting cells in a CD154-CD40-dependent manner.
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