Question

a disaccacharide found in milk - substrate that fits in the active site of lactase.
specific
names of enzymes
lactose
how do enzymes speed up chemical reactions?

Explanation:

The disaccharide found in milk that is the substrate for lactase is lactose. Lactase is the enzyme that breaks down lactose, and lactose fits into the active site of lactase. Among the options, "Lactose" is the correct one as it matches the description of the disaccharide substrate for lactase.

Answer:

Lactose