Digestive Enzymes

Question 1

Where in the digestive system does absorption take place?

Answer 1

Small intestine

Question 2

What is the function of enzymes?

Answer 2

Accelerates chemical reactions in the body
Eg. Breaking down nutrients that can be absorbed

Question 3

What is the process called by which the substances move across the visking tubing?

Answer 3

Diffusion

Question 4

What are the 3 major food groups?

Answer 4

Carbohydrates, Proteins and Fats (Lipids)

Question 5

What is the structure of these (Carbohydrates, Proteins and Fats (Lipids)) food groups?

Answer 5

Polymers
—> Made up of a chain of similar small molecules called monomers

Question 6

What does ‘synthesis’ of these food groups mean?

Answer 6

The formation of molecules

Question 7

What are the 2 main carbohydrates called?

Answer 7

1. Starch
2. Sugar (Glucose- vital for energy in humans, converted through respiration)

Question 8

Why do we need carbohydrates?

Answer 8

They provide energy

Question 9

What is the word equation for respiration?

Answer 9

Oxygen + Glucose —> Carbon dioxide + water (+energy)

Question 10

Glucose =
(\—> symbol?)

Answer 10

C6H12O6

Question 11

Name the polymer and the monomer associated with Carbohydrates:

Answer 11

Polymers= Starch
Monomers= Glucose

Question 12

Name 2 functions of fats in the body:

Answer 12

1. Store energy
2. Insulate against the cold

Question 13

State another name for fats:

Answer 13

Liquid fats = oils
Fats and oils are sometimes known as LIPIDS

Question 14

What are lipids broken down into?

Answer 14

3 Fatty acids and Glycerol

Question 15

State 2 reasons why we need protein:

Answer 15

1. Making new cells
2. Growth and Repair in our bodies

Question 16

What are proteins broken down into?

Answer 16

Amino acids

Question 17

What is the role of enzymes in digestion?

Answer 17

Speeding up the breakdown of these large molecules (polymers) into their smaller parts (monomers)

Question 18

Which digestive enzymes breaks down starch?

Answer 18

Amylase

Question 19

Which digestive enzymes breaks down protein?

Answer 19

Protease

Question 20

Which digestive enzymes breaks down Lipids?

Answer 20

Lipase

Question 21

Amylase breaks starch into..

Answer 21

Sugar (glucose)

Question 22

Protease breaks protein into..

Answer 22

Amino acids

Question 23

Lipase breaks lipids into..

Answer 23

3 fatty acids and glycerol

Question 24

Amylase is produced by… (3)

Answer 24

1. Pancreas
2. Salivary glands
   # s for salivary glands, but no p for pancreas
3. Small intestine

Question 25

Protease is produced by… (3)

Answer 25

p for pancreas, s for stomach and small intestine

1. Small intestine
2. Pancreas
3. Stomach

Question 26

Lipase is produced by… (2)

Answer 26

1. Small intestine
2. Pancreas
   #p for pancreas and s for small i for intestine

Question 27

Amylase is released into the …(2)

Answer 27

1. Small intestine
2. Mouth

Question 28

Protease is released into the …(2)

Answer 28

no p so it’s small intestine and stomach

1. Small intestine
2. Stomach

Question 29

Lipase is released into the …(1)

Answer 29

Small intestine
#Si so it’s small intestine