Food and Digestion

Question 1

What are the role of Enzymes?

Answer 1

Enzymes break down large insoluble molecules into small soluble molecules so they can be absorbed into our bloodstream.

Question 2

Carbohydrase

Answer 2

Converts starch to glucose. Found in the mouth and the small intestine.

Question 3

Protease

Answer 3

Protein to amino acids. Found in small intestine.

Question 4

Lipase

Answer 4

Lipids(fats) to fatty acids and glycerol.

Question 5

Test for Glucose

Answer 5

You test for glucose by heating Benedict’s solution in a beaker at 65 degrees. If glucose is present the colour should turn from blue to orange.

Question 6

Amylase

Answer 6

Breaks down starch into glucose. Produced in the salivary glands and the pancreas.

Question 7

Test for Starch

Answer 7

You test for starch with iodine solution. It turns a black/blue colour if starch is present.

Question 8

Test for Protein

Answer 8

You test for protein with Buiret solution. If it turns from blue to purple then Protein is present.

Question 9

Thermal Decomposition

Answer 9

When a substance is broken down into simpler substances.