Disaccharides & Polysaccharides.

?
Glucose + Glucose = ?
Maltose
1 of 12
Glucose + Fructose = ?
Sucrose
2 of 12
Glucose + Galactose = ?
Lactose
3 of 12
What is a condensation reaction?
A molecule of water is removed to join together 2 monosaccharides.
4 of 12
How is a glycosidic bond formed?
Through a condensation reaction.
5 of 12
What is hydrolysis?
Adding a molecule of water to a disaccharide to break the glycosidic bond.
6 of 12
What is the test for starch?
Iodine test (iodine indicator will turn black/blue if starch present)
7 of 12
What is the test for non reducing sugars?
Benedict's test
8 of 12
Why is sodium hydrogencarbonate solution added to the mixture in Benedict's test for non reducing sugars?
To neutralise the HCL.
9 of 12
What is added to the mixture in Benedict's test for non reducing sugars?
HCL.
10 of 12
What must you do to make sure the solution is alkaline in Benedict's test for non reducing sugars?
Test the pH.
11 of 12
What colour will the reagent turn if a non reducing sugar is present in Benedict's test for non reducing sugars?
Orange/brown.
12 of 12

Other cards in this set

Card 2

Front

Glucose + Fructose = ?

Back

Sucrose

Card 3

Front

Glucose + Galactose = ?

Back

Preview of the front of card 3

Card 4

Front

What is a condensation reaction?

Back

Preview of the front of card 4

Card 5

Front

How is a glycosidic bond formed?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Biological molecules, organic chemistry and biochemistry resources »