Topic 3: Human nutrition

Question 1

What chemicals make up carbohydrates?

Answer 1

Carbon, hydrogen and oxygen. They can be broken down into glucose

Question 2

What chemicals make up proteins?

Answer 2

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Question 3

What chemicals make up lipids?

Answer 3

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Question 4

What is the structure of carbohydrates, lipids and proteins?

Answer 4

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Question 5

What is an enzyme?

Answer 5

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Question 6

What is the Lock and Key model?

Answer 6

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Question 7

What factors affect enzyme activity?

Answer 7

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Question 8

PRACTICAL: what is the practical to investigate the effects of temperatures on enzyme activity?

Answer 8

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Question 9

PRACTICAL: what is the practical to investigate the effects of pH temperatures on enzyme activity?

Answer 9

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Question 10

What is denaturing?

Answer 10

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Question 11

What is the optimum pH and optimum temperature for enzyme activity?

Answer 11

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Question 12

What are carbohydrates used for in the body?

Answer 12

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Question 13

What foods contain carbohydrates?

Answer 13

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Question 14

What are lipids used for in the body?

Answer 14

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Question 15

What foods contain lipids?

Answer 15

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Question 16

What are proteins used for in the body?

Answer 16

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Question 17

What foods contain proteins?

Answer 17

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Question 18

What is the role of vitamin A in the body?

Answer 18

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Question 19

What foods contain vitamin A?

Answer 19

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Question 20

What is the role of vitamin C in the body?

Answer 20

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Question 21

What foods contain vitamin C?

Answer 21

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Question 22

What is the role of vitamin D in the body?

Answer 22

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Question 23

What foods contain vitamin D?

Answer 23

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Question 24

What is the role of calcium in the body?

Answer 24

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Question 25

What foods contain calcium?

Answer 25

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Question 26

What is the role of iron in the body?

Answer 26

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Question 27

What foods contain iron?

Answer 27

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Question 28

What is the role of water in the body?

Answer 28

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Question 29

What is the role of dietary fiber in the body?

Answer 29

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Question 30

What foods contain fiber?

Answer 30

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Question 31

How do energy requirements change with age, pregnancy and activity levels?

Answer 31

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Question 32

Describe the structure and function of the human alimentary canal

Answer 32

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Question 33

Where is bile produced?

Answer 33

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Question 34

Where is bile stored?

Answer 34

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Question 35

What is the function of bile?

Answer 35

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Question 36

How is the small intestine adapted for absorption of nutrients?

Answer 36

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Question 37

PRACTICAL: describe a practical investigating the energy in food

Answer 37

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Question 38

What food test is used to test for glucose?

Answer 38

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Question 39

What food test is used to test for starch?

Answer 39

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Question 40

What food test is used to test for lipids?

Answer 40

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Question 41

What food test is used to test for protein?

Answer 41

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