B2

Question 1

Lipases

Answer 1

Break down fat into glycerol and fatty acids. Made in the pancreas and the small intestine

Question 2

Definition of cell

Answer 2

the smallest unit of an organism

Question 3

Definition of tissue

Answer 3

a group of cells with a similar structure and function, working to complete a job

Question 4

Definition of organ

Answer 4

a group of tissues working to complete a job

Question 5

Definition of an organ system

Answer 5

group of organs that work together to complete a job

Question 6

Definition of organism

Answer 6

an individual plant, animal or single celled organism

Question 7

Definition of enzyme

Answer 7

Biological catalysts which increase the rate of reaction without being used up themselves

Question 8

What do enzymes do?

Answer 8

lower the activation energy, so more reactions are successful

Question 9

What are enzymes made out of?

Answer 9

large proteins made up of chains of amino acids

Question 10

What are enzymes affected by?

Answer 10

Temperature
pH
surface area
concentration

Question 11

Carbohydrases

Answer 11

Breaks down starch into simple sugars. Made in the salivary glands, pancreas and small intestine

Question 12

Protease

Answer 12

Break down proteins into amino acids. Made in the stomach, pancreas and small intestine

Question 13

Bile

Answer 13

Not an enzyme but it neutralises the stomach acid, allowing enzymes in the small intestine to work. It emulsifies fat, breaking them down into tiny droplets Produced in the liver and stored in the gall bladder before being released into the small intestine