For the disaccharide depicted below: (i) determine its reducing end, (ii) specify the monosaccharides that constitute it, and (iii) describe the type of its glycosidic bond.

i)

ii) galactose + glucose

iii) α(1→3) glycosidic linkage

i)

ii) glucose + glucose

iii) β(1→6) glycosidic linkage

i)

ii) mannose + mannose

iii) β(1→2) glycosidic linkage

i)

ii) galactose + mannose

iii) α(1→4) glycosidic linkage