And the digestive enzyme at the Brush Water that breaks down our sucrose is known as sucrase. And finally, lactose consist of galactose and glucose. And the enzyme that breaks down lactose is known as lactase. It is also found on the Brush border attached to the membrane on the apical side of our entericide. So to summarize what we just said, let's take a look at the following diagram. So, we eat the carbohydrates, such as starch in the mouth.