Each B cell produces a single type of antibody with a specific binding site for an antigen. When an antigen activates a naïve or memory B cell, the B cell proliferates and differentiates into a plasma cell, which secretes antibodies. Please identify the false statement from the options below:

Question

Answer

Memory B cells constitutively secrete immunoglobulins

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B cells can undergo isotype switching

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B cells can circulate in the bloodstream

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Memory B cells, specifically the B cell receptor, usually exhibit a high affinity for an antigen

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The generation of long-lived B cell memory requires assistance from CD4+ T cells

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Each B cell produces a single type of antibody with a specific binding site for ...

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