Question

complete the sentence using one of the following terms: starch, protein or lipid. saliva begins the digestion process by exposing food to the enzyme amylase, which breaks down complex molecules into simpler sugar molecules.

Explanation:

Amylase in saliva specifically acts on starch, breaking it down into simpler sugars like maltose. Proteins are broken down by proteases and lipids by lipases.

Answer:

starch