cognate

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cognate

describes two biomolecules that normally interact such as an enzyme and its normal substrate or a receptor and its normal ligand.

cognate cooperation
cooperation between T and B lymphocytes when both recognize epitopes on the same antigen.
References in periodicals archive ?
The Cognation partnership is made up of Neath Port Talbot, Merthyr and Caerphilly councils, Visit Wales and Natural Resources Wales.
In a number of native title cases it has been put to the court that a shift from patrilineal inheritance to cognation has occurred even though the applicants plead that theirs has always been a cognatic system of kinship.
However, all of these and other following hypotheses could only make a basic assertion of cognation, and many details refused to fall into place.