treated bacteria or viruses or one of their proteins
the same as monoclonal antibodies
all of the above
MHC proteins
A
treated bacteria or viruses or one of their proteins
B
MHC proteins
C
the same as monoclonal antibodies
D
all of the above
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Solution
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A vaccine is a biological preparation that provides active acquired immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.
So, the correct option is 'Option A'.
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