Question #6432861Single Choice

Biology

Question

Why does passive immunity provide only temporary protection?

Options

A
    The body does not generate memory cells in response to passive immunity.
B
    The antibodies produced in passive immunity do not bind to antigens effectively.
C
    The immune system rejects antibodies received from an external source.
D
    Passive immunity prevents antigen presentation by dendritic cells.

Answer & Analysis

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