Food Molecules and Their Functions

Which of the following is a good source of carbohydrates?

• Butter

• Meat

• Bread

• Cheese

Match the following food molecules with their uses in the body:

• Lipids

• Stores energy and insulates

• Proteins

• Cell growth and repair

• Carbohydrates

• Releases energy

Carbohydrates release energy quickly in the form of (a)   . A) Fatty acids B) Amino acids C) Simple sugars D) Glycerol.

• Fatty acids

• Amino acids

• Simple sugars

• Glycerol

Lipids are known to store energy and (a)   the body.

• Repair

• Insulate

• Grow

• Digest

Proteins are essential for (a)   and repair.

• Energy

• Insulation

• Cell growth

• Digestion

Which of the following foods is high in protein?

• Carrot

• Apple

• Chicken

• Rice

What is the main use of carbohydrates?

• releasing energy

• growth and repair

• an energy store

• insulation

Carbohydrates are broken down into...

• fatty acids and glycerol

• simple sugars

• amino acids

• minerals

Proteins are broken down into...

• simple sugars

• amino acids

• fatty acids and glycerol

• minerals

Lipids are broken down into...

• fatty acids and glycerol

• simple sugars

• minerals

• amino acids