3.Which of the following description is correct regarding carbohydrates?
(A) The sizes of different carbohydrates can be ordered by oligosaccharides
polysaccharides ＞ monosaccharides.
(B) All the monosaccharides including F dihydroxyacetone 」 and 『 glyceraldehyde」
contain one or more isomeric forms.
(C) Glycosaminogl ycans, the type of heteropolysaccharide, are a family of linear polymers
composed of repeating disaccharide units.
(D) The hydrogen atom of one monosaccharide can be added to anomeric carbon of a 2md
monosaccharide to form an acetal.
(E) None of the above.