Digestive enzymes

Question 1

enzyme: salivary alpha amylase

Answer 1

salivary glands

enzyme group: glucosidase endoglycosidase

substrate: starch, glycogen

action mechanism: hydrolysis of internal alpha 1,4 glycosidic bonds

products: dextrins, maltotriose, maltose, isomaltose

Question 2

enzyme: lingual lipase

Answer 2

salivary glands

enzyme group: esterase

substrate: triacylglycerides

action mechanism: hydrolysis of ester bonds

products: fatty acids, 1,2,diacylglycerols

Question 3

enzyme: pepsin

Answer 3

stomach

enzyme group: peptidase endopeptidase

activator: HCl, autocatalysis

substrate: proteins (polypeptides)

action mechanism: hydrolysis of peptode bonds after aromatic AA

product: polypeptides, oligopeptides, tripeptides, dipeptides