2.2.1 Stomach Acid And Bile Flashcards
1
Q
Roles of hydrochloric acid
A
Kills bacteria
Digestion
Creates optimum pH for enzymes
2
Q
Chemical properties of bile
A
Emulsifier
Slightly alkaline
3
Q
Role of bile in digestion of fats
A
Turns fats from large globules to smaller globules to create a larger surface area for lipase to work on
4
Q
Role of bile in the digestion of proteins nd other molecules
A
Neutralises stomach acidic and provides the correct pH for amylase