Lactase is an enzyme that is produced in the lining of the intestines. this enzyme the body speed up the breakdown of carbohydrates that are found in dairy products, such as milk, yogurt, and cheese.
which general function does lactase perform?

Lactase is the enzyme that belongs to the class of the beta galactosidase family. Lactase enzyme has the ability to hydrolyses the disaccharide sugars. Lactase are present in the lining of the small intestine.

The general function of the lactase is the digestion of the lactose sugar. The lactose sugar is present in the milk and the enzyme lactase hydrolyzes the lactose sugar into the glucose and galactose. The individual lacking the lactase enzyme are lactose intolerance and unable to digest lactose.

the answer to your question is:

c. complementary base-pairing

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms