Protein

Question 1

Are Proteins Macronutrients or Micronutrients?

Answer 1

Macronutrients needed by all animals including humans

Question 2

What are proteins made up of?

Answer 2

Individual “building blocks” called Amino acids

Question 3

How many amino acids are there?

Answer 3

At least 20

Question 4

What happens when our body digests protein?

Answer 4

They break it up into individual amino acids and build new protein molecules that our bodies can use

Question 5

What are essential amino acids?

Answer 5

Amino acids that can’t be made by the body so they have to come ready made from the food we eat

Question 6

How many essential amino acids do we need?

Answer 6

8 and at least 2 extra for children as they are growing

Question 7

What are proteins that contain all essential amino acids called?

Answer 7

HBV (high biological value) proteins e.g meat

Question 8

What are LBV proteins?

Answer 8

Low Biological Value Proteins that are missing one or more essential amino acids e.g beans

Question 9

What is protein complimentary on?

Answer 9

When you eat a mixture of LBV Proteinsso that the body gets all the amino acids needed

Question 10

What are the three main functions of proteins?

Answer 10

To make the body grow
To repair the body
To give the body energy

Question 11

Name three important substances that are made of proteins and their function

Answer 11

Hormones- make you grow and reproduce
Enzymes- digest your food
Antibodies- help your immune system fight infection from bacteria and viruses

Question 12

What are the main sources of protein?

Answer 12

Protein is found in animal foods- meat fish poultry milk cheese and egg
Also in plant food- beans peas lentils nuts and cereals

Question 13

What are protein alternatives.

Answer 13

Manufactures products used as alternatives to meat.
Have high protein content and low fat content
Have little flavour but readily take up other flavours
For vegetarians

Question 14

What are the effects of an excess of protein in the diet.

Answer 14

Too much nitrogen which is dangerous so is removed by body in urine . The liver and kidneys have to work harder which puts them under stress and could cause harm

Question 15

What are the effects of a deficiency of protei

Answer 15

Kids won’t grow properly and may never reach their full height
May,one some hair
Skin and nails will be in poor condition
Easily develops infection
Unable to digest food properly