Enzymes

Question 1

What is the shape of an enzyme vital for?

Answer 1

It’s function

Question 2

What changes the shape of an enzyme?

Answer 2

High temperatures

Question 3

What do different enzymes work best at?

Answer 3

Different pH values

Question 4

Some enzymes work outside the…

Answer 4

Body cells

Question 5

What are digestive enzymes produced by?

Answer 5

Specialised cells in glands and in the lining of the gut

Question 6

What do digestive enzymes catalyse the breakdown of?

Answer 6

Large molecules into smaller molecules

Question 7

Where is amylase produced?

Answer 7

Salivary glands, pancreas, small intestine

Question 8

What does amylase catalyse the breakdown of? Where?

Answer 8

Starch into sugars, in the mouth and the small intestine

Question 9

Where is protease produced?

Answer 9

Stomach, pancreas, small intestine

Question 10

What does protease catalyse the breakdown of? Where?

Answer 10

Proteins into amino acids, in the stomach and small intestine

Question 11

Where is lipase produced?

Answer 11

Pancreas, small intestine

Question 12

What does lipase catalyse the breakdown of? Where?

Answer 12

Lipids into fatty acids and glycerol, in the small intestine

Question 13

What else does the stomach produce?

Answer 13

Hydrochloric acid

Question 14

What type of conditions do enzymes in the stomach work best at?

Answer 14

Acidic conditions

Question 15

What does the liver produce? Where is it stored?

Answer 15

Bile, stored in the gall bladder

Question 16

Where is bile released into? Why?

Answer 16

The small intestine, to neutralise the acid that was in the food from the stomach

Question 17

What conditions do enzymes in the small intestine work best at?

Answer 17

Alkaline

Question 18

Some microorganisms produce enzymes that…

Answer 18

Pass out of the cells

Question 19

Where do enzymes produced by microorganisms have many uses?

Answer 19

In industry and at home

Question 20

What do biological detergents contain?

Answer 20

Proteases and lipases

Question 21

What are biological detergents more effective at?

Answer 21

Lower temperatures

Question 22

What enzyme is used in baby food? Why?

Answer 22

Protease, to pre-digest the protein

Question 23

What’s carbohydrase used to convert starch into?

Answer 23

Sugar syrup

Question 24

What is isomerase used to convert glucose syrup into?

Answer 24

Fructose syrup- which is very sweet

Question 25

In industry, enzymes are used to…

Answer 25

Bring about reactions at normal temperatures and pressures

Question 26

What’s the problem with enzymes in industry?

Answer 26

They are denatured at high temperatures and are costly to produce