HUMAN NUTRITION

NUTRITION

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are structure polysaccharides?
A
Cellulose
B
Starch
C
Glycogen
D
Glucose
E
Chitin
Explanation: 

Detailed explanation-1: -Chitin is a large, structural polysaccharide made from chains of modified glucose. Chitin is found in the exoskeletons of insects, the cell walls of fungi and certain hard structures in invertebrates and fish.

Detailed explanation-2: -Chitin is a polysaccharide composed of 1–4 linked 2-acetamido-2-deoxy--d-glucopyranose, figure 2. On the evolutionary map, it is safe to say chitin is placed between cellulose and collagen. Native chitin is a semi-crystalline biopolymer that occurs in fibrous crystalline states as several polymorphs.

Detailed explanation-3: -Chitin, glycogen, and cellulose are all polysaccharides. However, Lipids are not polysaccharides. Lipids are biomolecules composed of carbon, hydrogen, and oxygen.

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