Final answer:
Organic molecules with an -ase ending are typically enzymes, which are proteins that act as catalysts in biochemical reactions.
Step-by-step explanation:
An organic molecule with an -ase ending is typically an enzyme. Enzymes are a type of protein that act as catalysts in biochemical reactions. They help speed up chemical reactions in living organisms. For example, amylase is an enzyme found in saliva that helps break down starches in foods into simpler sugar molecules.