Which of these is an example of an adaptive )or specific) immune response

Adaptive immunity is defined by two important characteristics: specificity and memory. Specificity refers to the adaptive immune system's ability to target specific pathogens, and memory refers to its ability to quickly respond to pathogens to which it has previously been exposed.
___IgD: B. This class of antibody is the first to appear after activation of B cells
___IgM: E. This class of antibody is not secreted by B cells but is expressed on the s...
___IgE: C. This class of antibody is involved in the defense against parasitic infections ...
___IgA: A. This class of antibody is the only one that can cross the placenta

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.