In which type of immunity response does the body's defense system remember previous infections?

The correct answer for the above question is Acquired immunity. This type of immunity is obtained from either the development of antibodies in response to exposure to an antigen, as from vaccination or an attack of an infectious disease, or from the transmission of antibodies such as from the mother to the fetus through the placenta or the antiserum injection.

Answer: the dna polymerase checks for errors in dna to prevent replication mistakes.
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