?? Cellulose is a polysaccharide that is a major component within plant cells. I

Question

?? Cellulose is a polysaccharide that is a major component within plant cells. It is composed or glucose monomers which is a distinguishing characteristic of cellulose that differentiates it from other polysaccharides such as starch and gtycogen? ability to form complex branching structures vs straight chains of gtucose monomers configuration of the hydroxyl group on the first carbon ring linking together of different monomers of gtucose covalently location of the hydroxyt group in the ? configuration located on the carbon backbone

Explanation / Answer

Cellulose is made up of ?-D-glucose monomers that are linked by ? (1--> 4) glycosidic linkage. Cellulose is an unbranched straight chain polymer that stacks over each other by non-covalent interaction. Starch and glycogen are made up of first carbon epimer of glucose, ?-D-glucose that are linked by ? (1 --> 4) glycosidic linkage. These two polymers could be branched. Thus, the correct answer is option b), where the two differ only in the configuration at carbon one of the glucose monomers.

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