Topic 3 - Making Digestion Efficent Flashcards
1
Q
What temperature do human digestive enzymes work best at?
A
37 degrees
2
Q
What conditions do protease enzymes work best in?
A
Acid conditions
3
Q
What creates the acid conditions for the protease enzymes?
A
Glands in the stomach wall produce hydrochloric acid to create very acidic conditions
4
Q
What conditions do amylase and lipase work best in?
A
Slightly alkaline
5
Q
Where do amylase and lipase work best in?
A
Small intestine
6
Q
What pH is food when it leaves the stomach?
A
Very acidic
7
Q
What makes the food acidic when leaving the stomach?
A
Bile
8
Q
What produces bile?
A
The liver
9
Q
Where is bile stored?
A
In the gall bladder
10
Q
Where is bile released to?
A
The small intestine
11
Q
What does bile do?
A
- Neutralises the stomach acid
- Makes the conditions in the small intestine slightly alkaline
- Breaks larger droplets of fat into smaller droplets to increase the surface area of the fats for lipase enzymes to act upon
