Matching Pairs Enzyme Match-UpOnline version Test your knowledge of enzymes by matching concepts with their descriptions in this fun game! by PP 1 Catalyst 2 Active Site 3 Enzyme Inhibition 4 Coenzyme 5 Specificity 6 Substrate 7 Denaturation 8 Optimal pH Region of an enzyme where substrate binds Enzyme's ability to target particular substrates Process of slowing down or stopping enzyme activity pH at which enzyme activity is highest Speeds up chemical reactions Loss of enzyme's shape and function due to extreme conditions Organic molecule assisting enzyme function Molecule acted upon by an enzyme