Chitin is a polysaccharide made up of long, unbranched chains of the monosaccharide acetylglucosamine, joined by $1,4$ glycosidic bonds. Acetylglucosamine has a structure similar to glucose, but it also contains nitrogen, which enables hydrogen bonds to form between neighbouring chains of chitin when they are aligned parallel to one another. Which polysaccharide has the closest structural similarity to chitin?
- Aamylopectin
- Bamylose
- Ccellulose
- Dglycogen