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