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

Where is amylase made in the body?

Answer 9

Salivary glands and pancreas.

Question 10

Where are disaccharidases found?

Answer 10

On the membranes of the epithelium cells lining the ileum.

Question 11

Name the enzyme responsible for the hydrolysis of lipid.

Answer 11

Lipase

Question 12

Where is lipase made?

Answer 12

Pancreas

Question 13

Name three different types of protease.

Answer 13

Endopeptidase
Exopeptidase
Dipeptidase

Question 14

Where are endopeptiadases made?

Answer 14

Stomach

Question 15

Where are exopeptidases made?

Answer 15

Pancreas

Question 16

Name the type of bond broken by amylase enzymes.

Answer 16

Glycosidic bond

Question 17

Name the type of bond broken by lipase enzymes.

Answer 17

Ester bond.

Question 18

Name the type of bond broken by protease enzymes

Answer 18

Peptide bond

Question 19

Where are dipeptidases found?

Answer 19

On the membrane of the epithelium lining the small intestine

Question 20

Where is bile made?

Answer 20

Liver

Question 21

Where is bile stored?

Answer 21

Gall bladder

Question 22

Explain how bile increases the rate of lipid digestion.

Answer 22

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

Question 23

Describe how glucose is transported into the blood.

Answer 23

Sodium ions actively transported out of epithelium cell.
Using sodium/potassium pump
Maintains a low concentration of sodium ions inside epithelium cell.
Sodium ion and glucose co-transported from small intestine into epithelial cell down the concentration gradient for sodium ions.
Glucose the passes into blood by facilitated diffusion