Human Nutrition

Question 1

What are the 7 groups of food substances that allow our body to work properly and stay healthy?

Answer 1

Carbohydrates
Lipids
Proteins
Minerals
Vitamins
Fiber
Water

Question 2

What is the function and sources of carbohydrates ?

Answer 2

Provide energy
Pasta, rice, sugar

Question 3

What is the function and sources of protein ?

Answer 3

Needed for growth and repair tissue, and to provide energy in emergencies
Meat, fish

Question 4

What is the function and sources of lipids ?

Answer 4

Provide energy, act as an energy store and provide insulation
Butter, oily fish

Question 5

What is the function and sources of Vitamin A?

Answer 5

Helps to improve vision,keep your skin and hair healthy
Liver

Question 6

What is the function and sources of vitamin C?

Answer 6

To prevent scurvy
Fruit (oranges)

Question 7

What is the function and sources of vitamin D?

Answer 7

Calcium absorption
Eggs

Question 8

What is the function and sources of mineral oils calcium?

Answer 8

Needed to make bones and teeth
Milk,cheese

Question 9

What is the function and sources of mineral ions iron?

Answer 9

Needed to make haemoglobin-for healthy blood
Red meat

Question 10

What is the function and sources of water ?

Answer 10

Every bodily function relies on water,we need constant supply to replace water lost through urinating, breathing and sweating
Food and drinks

Question 11

What is the function and sources of dietary fibre ?

Answer 11

AIDS the movement of food through the gut
Wholemeal bread, fruit

Question 12

What is monomers?

Answer 12

Small molecules that join together to make polymers

Question 13

What is elements?

Answer 13

Substances made up of one kind of atom

Question 14

What elements does carbohydrates contain?

Answer 14

Carbon, oxygen and hydrogen

Question 15

What are the complex carbohydrates?

Answer 15

Starch
glycogen

Question 16

What are simple carbohydrates?

Answer 16

Glucose
Sucrose
Fructose

Question 17

What elements does lipids contain?

Answer 17

Carbon, hydrogen and oxygen

Question 18

What enzyme breaks down lipids?

Answer 18

Lipase

Question 19

Example of lipids?

Answer 19

Fats and oils

Question 20

What elements does proteins contain?

Answer 20

Carbon, oxygen, hydrogen, nitrogen (sometimes sulfur)

Question 21

What is proteins made out of?

Answer 21

Amino acids

Question 22

What enzyme breaks down proteins?

Answer 22

Protease

Question 23

What is lipids made of?

Answer 23

fatty acids and glycerol

Question 24

What happens to enzymes when temperature is increased?

Answer 24

Gain kinetic energy
More collisions
More often
Increase rate of reaction

Question 25

Where can you find amylase?

Answer 25

Mouth

Question 26

Where can u find protease?

Answer 26

Stomach

Question 27

Where can you find lipase?

Answer 27

Small intestine

Question 28

What is optimum pH of an enzyme?

Answer 28

This is where the enzyme works best so the rate of the reaction is at its maximum