B2 Digestion

Question 1

Name the type of reaction used to digest large biological molecules.

Answer 1

Hydrolysis

Question 2

Name the products made when starch is digested.

Answer 2

Maltose –> (alpha) glucose

Question 3

Name the products made when lipids are digested.

Answer 3

Fatty acids and monoglycerides

Question 4

Name the products made when proteins are digested.

Answer 4

Amino acids

Question 5

Name the enzyme used to hydrolyse starch.

Answer 5

Amylase

Question 6

Name the enzyme used to hydrolyse maltose.

Answer 6

Maltase

Question 7

Name the monosaccharides produced when sucrose is hydrolysed.

Answer 7

Glucose and fructose

Question 8

Name the products of lactose hydrolysis.

Answer 8

Glucose and galactose

Question 9

Name the part of the digestive system labelled D

Answer 9

Liver

Question 10

Name the organ labelled B

Answer 10

Stomach

Question 11

Name the part of the digestive system labelled A

Answer 11

Oesophagus

Question 12

Name the chemical stored in the part of the digestive system labelled F

Answer 12

Bile

Question 13

Name the organ labelled E on the diagram

Answer 13

Small intestine

Question 14

Where is amylase made in the body?

Answer 14

Salivary glands and pancreas.

Question 15

Name the part of the digestive system labelled F

Answer 15

Gall bladder

Question 16

Name the biological molecule hydrolysed in organ B

Answer 16

Protein

Question 17

Where are disaccharides found?

Answer 17

On the membranes of the epithelium cells lining the ileum.

Question 18

Name the enzyme responsible for the hydrolysis of lipid.

Answer 18

Lipase

Question 19

Where is lipase made?

Answer 19

Pancreas

Question 20

Name three different types of protease.

Answer 20

Endopeptidase
Exopeptidase
Dipeptidase

Question 21

Where are endopeptidases made?

Answer 21

Stomach

Question 22

Where are exopeptidases made?

Answer 22

Pancreas

Question 23

Name the type of bond broken by amylase enzymes.

Answer 23

Glyosidic bond

Question 24

Name the type of bond broken by lipase enzymes.

Answer 24

Ester bond.

Question 25

Name the type of bond broken by protease enzymes

Answer 25

Peptide bond

Question 26

Where are dipeptidases found?

Answer 26

On the membrane of the epithelium lining the small intestine

Question 27

Where is bile made?

Answer 27

Liver

Question 28

Where is bile stored?

Answer 28

Gall bladder

Question 29

Explain how bile increases the rate of lipid digestion.

Answer 29

Emulsifies lipids.
Increases the surface area of lipid for lipase to act on.
Breaks lipid globules up into smaller globules.