Question

1. Diagram a representative structure of each of the following: a. Glycogen b. Amylose c. Amylopectin d. Cellulose e. Chitin 2. Using the diagrams above and your text, describe the chemical and physical similarities and differences among these molecules.

Answer 1

SOLN 1

Glycogen : made up of glucose molecule joined together by  α(1→4) glycosidic bonds. In case where branching occurs linkage is α(1→6) glycosidic bonds

CH, OH CH, OH но a 1-6 glycosidic bond оно н он CH,OH по н н н о н он 2.7 н т Сн, Нон- н и снон но ни н на Нин но он и он нон и они a 1-4 glycosidic bond он нон

Amylose : Amylose is composed of α-D-glucose, which bonded to each other by α(1→4) glycosidic bonds.

CH2OH [ ÇH2OH 120H 1 CH2OH FO OH OH 300-600 OH

Amylopectin : Structure is given as

ГОН

Cellulose : it is composed of glucose unit joined together by  β(1→4) unit

Он -o Чох Он. DH

Chitin : structure is given below

CH3 UN NH NH NH OH OH CH3

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