disaccharides Flashcards
1
Q
how are disaccharides formed
A
condensation reactions by joining monosaccharides by a glycosidic bond
2
Q
are disaccharides soluble
A
they are sweet and soluble
3
Q
most common disaccharides
A
maltose, lactose and sucrose
4
Q
what are maltose and lactose
A
reducing sugars
5
Q
what is sucrose
A
non reducing sugar
6
Q
what is a glycosidic bond
A
covalent bond between two carbohydrates
7
Q
what is maltose formed from
A
two alpha glucose molecules joined by alpha 1-4 glycosidic bond
8
Q
what is sucrose formed by
A
alpha glucose and beta fructose by alpha 1-4 glycosidic bond
9
Q
what is lactose formed by
A
beta galactose and alpha glucose by beta 1-4 glycosidic bond