EntityQ2644277· pop 26· linked from 122 articlescomplementaritySign in to saverelationship between two biochemical structures each following the lock-and-key principleConnectionsnucleic acidsEntitypurineEntitypyrimidineEntitydeoxyribonucleic acidEntityInternational Standard Book NumberEntityribonucleic acidEntityWayback MachineEntityHIVEntitydigital object identifierEntitymolecular biologyEntityheredityEntitygenomeEntitynucleotideEntitycombinatoricsEntitysystematicsEntitymitotic cell cycleEntityamineEntityketoneEntityadenineEntitypolymerase chain reactionEntityCategoriesMolecular biology