Enzymes

Question 1

What does amylase break down?

Answer 1

Carbohydrates

Question 2

Protease is used in the:

a) stomach
b) large intestine
c) mouth
d) small intestine

Answer 2

a) stomach

d) small intestine

Question 3

Are enzymes alive?

Answer 3

No - they can still work when an animal has died

Question 4

Fill the blanks:

Amino acids create _______, and amino acids are made from broken down ________

Answer 4

Enzymes

Proteins

Question 5

What product is made from lipase?

Answer 5

Fatty acids & glycerol

Question 6

Protease is created in the stomach, pancreas and the small intestine. True or false?

Answer 6

True

Question 7

What are carbohydrates and proteins examples of?

Answer 7

Reactants

Question 8

Where does the breaking down take place in an enzyme?

Answer 8

The active site

Question 9

Fill the blanks:

Amylase is created by the ________ ______ and the ________, to be used in the _____ _________ and the _____

Answer 9

Salivary glands
Pancreas
Small intestine
Mouth

Question 10

What is the optimum temperature for enzymes?

Answer 10

37°C

Question 11

Fill the blanks:

Lipase is created by the ________ and the _____ _________, to be used just in the _____ _________

Answer 11

Pancreas
Small intestine
Small intestine

Question 12

Protease is used in the stomach and mouth. True or false?

Answer 12

False - Protease is used in the stomach and small intestine

Question 13

What happens when the temperature is too hot for an enzyme?

Answer 13

They denature

Question 14

Do carbohydrates become sugars when broken down into its products?

Answer 14

Yes

Question 15

Why does heat improve an enzyme’s performance (up to a certain point)?

Answer 15

Heat cause more collisions between the enzymes and the substates

Question 16

Why does the body need to break down food into such small pieces?

Answer 16

So that the body can absorb the maximum amount of nutrients needed for the body to survive

Question 17

What does the optimum pH level depend on for each enzyme?

Answer 17

Where it is used, it will only match the pH of the place it is needed in the body

Question 18

Give the definition for metabolism

Answer 18

Metabolism is the sum of all the chemical reactions in the body. High metabolism means you have a high enzyme reaction

Question 19

Enzymes stay once they are used. True or false?

Answer 19

True - they are only catalysts, so they do not disappear once the reaction is over

Question 20

Where are most enzymes created?

Answer 20

In the ribosomes, from amino acid chains, folded to make proteins