Lactose is made of

Question

Lactose is made of (A)  α - D-glucose only (B)  α - D-glucose and β - D-glucose (C)  α - D-galactose and β - D-glucose (D)  α - D-galactose and β - D-glucose

Tardigrade Admin · Accepted Answer

Lactose (milk sugar) is a disaccharide, obtained by the condensation of one molecule of β - D-galactopyranose and one molecule of β - D-glucopyranose.

Q. Lactose is made of

$α -$ $D$ -glucose only

$α -$ $D$ -glucose and $β -$ $D$ -glucose

$α -$ $D$ -galactose and $β -$ $D$ -glucose

$α -$ $D$ -galactose and $β -$ $D$ -glucose

$β -$ $D$ -galactose and $β -$ $D$ -glucose

Lactose (milk sugar) is a disaccharide, obtained by the condensation of one molecule of $β -$ D-galactopyranose and one molecule of $β -$ D-glucopyranose.

Q. Lactose is made of

α− D-glucose only

α− D-glucose and β− D-glucose

α− D-galactose and β− D-glucose

α− D-galactose and β− D-glucose

β− D-galactose and β− D-glucose

Lactose (milk sugar) is a disaccharide, obtained by the condensation of one molecule of β− D-galactopyranose and one molecule of β− D-glucopyranose.

$α -$ $D$ -glucose only

$α -$ $D$ -glucose and $β -$ $D$ -glucose

$α -$ $D$ -galactose and $β -$ $D$ -glucose

$α -$ $D$ -galactose and $β -$ $D$ -glucose

$β -$ $D$ -galactose and $β -$ $D$ -glucose

Lactose (milk sugar) is a disaccharide, obtained by the condensation of one molecule of $β -$ D-galactopyranose and one molecule of $β -$ D-glucopyranose.