Answer :
when the digestive system requires lactase, it manufactures the protein based on information stored in DNA molecule.
The DNA follows up on this information to create a particular sort of protein for the orderly digestion of milk. As a result, when the digestive system needs lactase, it produces the protein using data stored in the DNA molecule. A sort of bodily system known as the digestive system is responsible for breaking down the food and liquids that we intake via our mouths into simpler compounds that the body may use for energy, growth, and tissue repair.
In order to digest milk, a person's body must produce a protein known as lactose. This protein creates the lactase enzyme, which breaks down milk into its glucose and galactose components. These components are easily absorbed and utilised by the body as needed.
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