Medical Definition of complementarity
: correspondence in reverse of part of one molecule to part of another: asa: the arrangement of chemical groups and electric charges that enables a combining group of an antibody to combine with a specific determinant group of an antigen or haptenb: the correspondence between strands or nucleotides of DNA or sometimes RNA that permits their precise pairing <evolution of the contemporary genetic code involving purine-pyrimidine complementarity—Struther Arnott & P. J. Bond>
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Dictionary: Definition of "complementarity"
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