BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Lactose is found in foods containing animal milk (dairy products), includes milk from cows, goats and sheep. Dairy products include: milk. butter.

Detailed explanation-2: -Lactose is a sugar found in milk and milk products. Lactose intolerance happens when your small intestine does not make enough of a digestive enzyme called lactase. Lactase breaks down the lactose in food so your body can absorb it.

Detailed explanation-3: -Lactose is in all milk and milk products and may be found in other foods and drinks. You can check the ingredient list on packaged foods to see if the product contains lactose.

Detailed explanation-4: -There are four types: primary, secondary, developmental, and congenital. Primary lactose intolerance occurs as the amount of lactase declines as people age. Secondary lactose intolerance is due to injury to the small intestine.