|Structural changes within a molecule are catalyzed by ____.
|RNA molecules that function as enzymes are called ____.
|Pepsin, chymotrypsin, and trypsin function as ____.
|Many ____ are precursors of coenzymes.
|Enzymes accelerate the conversion of ____ to products.
|Proteins are polymers (chains) of twenty types of ____.
|Some ____ contain enzymes that help remove blood stains.
|The covalent bonding of large molecules is catalyzed by ____.