lactase and carbonic anhydrase are examples of what type of substance?\no substrate\no reactant\no…

Brief Explanations:

Lactase and carbonic anhydrase are biological catalysts. Enzymes are proteins that speed - up chemical reactions in living organisms. Substrates are what enzymes act on, reactants are starting materials in a reaction, and products are the results of a reaction. Lactase and carbonic anhydrase are enzymes.

Answer:

enzyme