Respuesta :
Option a is correct
They are made of different combinations of monosaccharides.
Because sucrose is made by the combination of gulocuse and fructose and lactose is made by combination of glucose and galactose .so they are made of different combination of monosaccaride.
They are made of different combinations of monosaccharides.
Because sucrose is made by the combination of gulocuse and fructose and lactose is made by combination of glucose and galactose .so they are made of different combination of monosaccaride.