The specific enzyme that breaks lactose is lactase. It's built from almost 2000 amino acids. In comparison, Alpha-Amylase, the enzyme that breaks starch, is muc

The specific enzyme that breaks lactose is lactase. It's built from almost 2000 amino acids. In comparison, Alpha-Amylase, the enzyme that breaks starch, is much smaller. Couldn't find an exact count but it appears in the ballpark of 200.