NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Choose the polysaccharide that functions as energy storage.
A
Pectin
B
Chitin
C
Starch
D
Peptidoglycan
Explanation: 

Detailed explanation-1: -Glycogen: This polysaccharide is the polysaccharide found in animals to store energy and is composed of alpha-1, 4-glycosidic bonds with branched alpha-1, 6 bonds present at about every tenth monomer.

Detailed explanation-2: -Polysaccharides are very large polymers composed of tens to thousands of monosaccharides joined together by glycosidic linkages. The three most abundant polysaccharides are starch, glycogen, and cellulose.

Detailed explanation-3: -Starch is a storage form of energy in plants. It contains two polymers composed of glucose units: amylose (linear) and amylopectin (branched). Glycogen is a storage form of energy in animals. It is a branched polymer composed of glucose units.

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