digestion and absorption

Question 1

Digestion definition

Answer 1

The hydrolysis of large, insoluble molecules into small soluble molecules that can be absorbed across the cell membrane

Question 2

Amylase

Answer 2

Produced in salivary glands (secreted in mouth) and pancreas (secreted in intestines)
Hydrolyses the glycosidic bonds between polysaccharides into disaccharides (starch to maltose)

Question 3

Membrane- bound disaccharidases

Answer 3

Found in duodenum and also are attached to epithelial cell membrane in ileum
Sucrose to glucose and fructose (Sucrase)
Maltose to glucose and glucose (Maltase)
Lactose to glucose and galactose (Lactase)

Question 4

Lipase

Answer 4

Found in pancreas and secreted into duodenum to ileum
Hydrolyses the esther bonds in triglycerides forming monoglycerides and fatty acids

Question 5

Bile salts

Question 6

Peptidases

Answer 6

Endopeptidases:
Exopeptidases:
Membrane bound dipeptidases: