HUMAN NUTRITION

NUTRITION

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these are polysaccharides?
A
Glucose and fructose
B
Glucose and glycogen
C
Glycogen and Starch
D
Lactose and sucrose
Explanation: 

Detailed explanation-1: -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-2: -The correct answer: Starch and glycogen, which are both polysaccharides, differ in that starch is the principal energy storage compound of plants, while glycogen is the main energy storage in animals. Glucose is used as the most important nutrient component in both the plant and animal systems.

Detailed explanation-3: -Polysaccharides are long chains of monosaccharides linked by glycosidic bonds. Three important polysaccharides, starch, glycogen, and cellulose, are composed of glucose. Starch and glycogen serve as short-term energy stores in plants and animals, respectively. The glucose monomers are linked by glycosidic bonds.

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