Nutrients Revision

Proteins are complex molecules that contain mainly carbon, hydrogen, nitrogen and _.

• Phosphorous

• Calcium

• Oxygen

• Sodium

The basic chemical units of proteins is called _.

• Amino Acids

• Glucose

• Polypeptide

• Disaccharide

Proteins of high biological value are known as _.

• Complementary proteins

• Complete proteins

• Incomplete proteins

• Complex protein

What are proteins of high biological value?

• They supply the body with all proteins required by the body.

• They lack one or more essential amino acids that is required by the body.

• They provide high amounts of energy for the body.

• They supply the body with all the essential amino acids in the right proportions.

An example of a protein of low biological value protein.

• Beef

• Barley

• Soyabean

• Milk

Example of complementary proteins

• Chicken Curry with Rice

• Baked Beans with Beef Patty

• Baked Beans with Bread slice

• Egg sandwich

The simplest unit of carbohydrates is called _.

• Monosaccharide

• Disaccharide

• Polysaccharide

• Amino acid

Lactose comprise of

• Glucose and Galactose

• Glucose and Glucose

• Glucose and Maltose

• Glucose and Fructose

Pectin is a soluble component that is commonly found in the cell walls of _.

• Meat

• Plum

• Potatoes

• Rice

The number of _ bonds in the hydrocarbon chain in fatty acids determines whether a fatty acid is categorised as saturated, monounsaturated or polyunsaturated fat.

• Double

• Single

• Triple

• Hydrogen