Food - DAS

What three elements are found in all biological molecules?

• carbon, nitrogen and oxygen

• carbon, hydrogen and helium

• carbon, hydrogen and oxygen

• carbon, argon and hydrogen

Which two types of biological molecules provide most of the energy in our food?

What is starch broken down into during digestion?

• fructose

• cellulose

• glucose

Cellulose is an important fibre

• True

• False

What role does fibre play in digestion?

• No role

• repair

• provide energy

• help muscles in intestine to push food along

How many different amino acids can join in different sequences to produce many different proteins?

• 10

• 20

• 5

• 15

What is another name for fats?

Fats provide triple the energy per gram of carbohydrate and protein.

• True

• False

When fat is digested, it is broken down into:

• fatty acids

• starch

• glycerol and 3 fatty acids

• amino acids