Question

1.Milk and water solution
2.Milk and lactase enzyme solution
3.Milk and heated lactase enzyme solution

What happens when you test these solutions with a glucose strip.

Answer 1

Explanation:

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Answer 2

Answer:

No glucose. Glucose. No glucose

Explanation:

The first experiment tests negative for glucose. This is because lactose is the main sugar in milk. It consists of galactose and glucose that are connected.

Lactase breaks down the lactose into glucose and galactose. In the first test tube, there is no such activity because there is no lactase present. There is now glucose because the molecules of glucose and galactose became disconnected.

In the third test tube, as the milk and enzyme are heated, the water that partially turns into steam degrades the lactose. Therefore, the lactase cannot act on the lactose.