Disaccharides Flashcards
Paper 1 - Biological Molecules - Carbohydrates
1
Q
When is a disaccharides formed
A
When two monosaccharides are joined together by glycosidic bonds formed in a condensation reaction
2
Q
What are the 3 examples of disaccharides
A
- Maltose
- Sucrose
- Lactose
3
Q
What is the molecular formula for the 3 types of disaccharides
A
- glucose + glucose —-> maltose + water
- glucose + fructose —-> sucrose + water
- glucose + galactose ——> lactose + water
4
Q
How do you hydrolyse disaccharides
A
- Boil with acid
- Enzyme at it’s optimum temperature
5
Q
Properties of Monosaccharides and Disaccharides.
A
- Small molecules
- Soluble
- Easy to transport
- Sweet to taste
