Digestive System Flashcards
1
Q
What are enzymes?
A
Specialised proteins used in the digestive system
2
Q
What is the lock and key model?
A
Substrates fit in an enzyme like a key in a lock
3
Q
What denatures enzymes?
A
High temps and wrong pH
4
Q
What breaks down carbohydrates into simple sugars?
A
Carbohydrase enzymes
5
Q
What are amylase?
A
A type of carbohydrase which breaks down starch into sugars
6
Q
What are lipase enzymes
A
They break down protein into amino acids
7
Q
What’s is bile?
A
Made in liver and stored in the gall bladder, neutralises the substances from the stomach
8
Q
What tests for starch?
A
Iodine - pale yellow to blue/black
9
Q
What tests for sugar?
A
Benedict’s - blue to red
10
Q
What tests for protein?
A
Biuret reagent - blue to purple
11
Q
What tests for fats?
A
Ethanol - clear to cloudy
