Consider the following trisaccharide:

Determine which carbons form the glycosidic bond between monosaccharide units A and B.

Carbon 1 of monosaccharide A and carbon 4 of monosaccharide B

Carbon 1 of monosaccharide A and carbon 1 of monosaccharide B

Carbon 4 of monosaccharide A and carbon 1 of monosaccharide B

Carbon 4 of monosaccharide A and carbon 6 of monosaccharide B