DISACCHARIDES Flashcards
1
Q
WHAT ARE DISACCHARIDES FORMED FROM?
A
- 2 MONOSACCHARIDES
- BONDED TOGETHER WITH A GLYCOSIDIC BOND
2
Q
WHAT IS THE REACTION THAT FORMS A DISACCHARIDE?
A
A CONDENSATION REACTION (MOLECULE OF WATER IS REMOVED)
3
Q
WHAT ARE THE 5 RULES OF A DISACCHARIDE?
A
- BONDS FORM BETWEEN C1 AND C4
- HYDROXYL GROUP (OH-) ON EACH MONOSACCHARIDE LINE UP
- 1 MOLECULE OF WATER IS REMOVED PER BOND THAT IS MADE (CONDENSATION REACTION)
- OXYGEN ATOM IS LEFT TO JOIN THE TWO MONOSACCHARIDES TOGETHER
- 1-4 GLYCOSIDIC BOND
4
Q
WHAT DOES THE ADDED WATER DO TO A DISACCHARIDE?
A
- BREAKS THE GLYCOSIDIC BOND
- FORMS 2 MONOSACCHARIDES
5
Q
WHAT IS A HYDROLYSIS REACTION?
A
WHERE THE BOND IS BROKEN BY THE CHEMICAL INSERTION OF WATER
6
Q
WHAT 2 MONOSACCHARIDES IS PART OF THE DISACCHARIDE ‘MALTOSE’?
A
2 ALPHA GLUCOSE MOLECULES
7
Q
WHAT 2 MONOSACCHARIDES IS PART OF THE DISACCHARIDE ‘SUCROSE’?
A
ALPHA GLUCOSE + FRUCTOSE
8
Q
WHAT 2 MONOSACCHARIDES IS PART OF THE DISACCHARIDE ‘LACTOSE’?
A
ALPHA GLUCOSE + GALACTOSE
