Disaccharides Flashcards
What are disaccharides?
2 monosaccharides bonded together through condensation reaction
What makes maltose?
Alpha glucose + alpha glucose
What makes lactose?
Glucose + galactose
What makes sucrose?
Glucose + fructose
What type of bond is formed when forming a disaccharides?
1-4 glycosidic bond
What are the properties of disaccharides?
- sweet tasting
- soluble in water
- osmotically active
Which disaccharides are reducing sugars?
Maltose and lactose
Which disaccharides is a non reducing sugar?
Sucrose
What is the function of sucrose?
Energy transport and storage in plants
What is the function of lactose?
Energy transport and storage in mammal milk
What is the function of maltose?
Intermediate in starch digestion
What are the enzymes involved in the formation and breakdown of sucrose?
F- sucrose synthase
B- sucrase
What are the enzymes involved in the formation and breakdown of lactose?
F- lactose synthase
B- lactase
What are the enzymes involved in the formation and breakdown of maltose?
F- maltose synthase
B- maltase
