MCAT Physical : Disaccharides, Polysaccharides, and Glycosidic Linkages

Study concepts, example questions & explanations for MCAT Physical

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Example Questions

Example Question #1 : Disaccharides, Polysaccharides, And Glycosidic Linkages

Cellulose is a polymer that is composed of what monomer?

Possible Answers:

Glucose

Glycerol

Fructose

Glycogen

Galactose

Correct answer:

Glucose

Explanation:

Cellulose is a polysaccharide (a sugar). Glucose is the monosaccharide used to generate the structure of cellulose via  linkages. Cellulose is composed of several hundred glucose molecules bound in this chain. Due to the nature of the beta linkage, humans cannot digest cellulose.

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