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Select the correct answer from each drop-down menu.

Enzymes are part of the ________ digestion process. Their function is to break down_________. Amylase is a digestive enzyme secreted _________ and is responsible for breaking down__________.


1. chemical, mechanical

2.macromolecules, atoms, vitamins

3.in the stomach by the gallbladder, in the small intestine by the liver, in the mouth by the pancreas

4. proteins, nuclei acids, lipids, starch