cooperativity

or co-op·er·a·tiv·i·ty

[ koh-op-er-uh-tiv-i-tee ]
/ koʊˌɒp ər əˈtɪv ɪ ti /

noun Biochemistry.

the increase or decrease in the rate of interaction between a reactant and a protein as the reactant concentration increases.

Origin of cooperativity

British Dictionary definitions for cooperativity

cooperativity
/ (kəʊˌɒpərəˈtɪvɪtɪ) /

noun

biochem chem an interaction between structural units within a molecule or between molecules in an assemblage that enables the system to respond more sharply to an external change than would isolated units