KEY TERMS

cooperativity

feedback (end-product) inhibition

allosteric (regulatory) site

homotropic effect

concerted model

sequential model

heterotropic effect

isozyme (isoenzyme) (isoform)

covalent modification

protein kinase

consensus sequence

protein phosphatase

protein kinase A (PKA)

pseudosubstrate sequence

zymogen (proenzyme)

enzymatic cascade

hemostasis

intrinsic pathway

extrinsic pathway