EVERYDAY SCIENCE

SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Polysaccharides usually account for 5-8% of the cell weight
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -True polysaccharides are, in turn, grouped into two major classes: (1) homopolysaccharides, which are polymers having as a repeating unit (monomer) one type of monosaccharide; and (2) heteropolysaccharides, which are made up of more than one type of monosaccharide.

Detailed explanation-2: -Polysaccharides consist of hydrogen, carbon, and oxygen, just as the other forms of carbohydrates. The ratio of hydrogen atoms to oxygen atoms is often 2:1, which is why they are also described as hydrates of carbon. The general chemical formula of polysaccharides is (C6H10O5)n.

Detailed explanation-3: -Polysaccharides or carbohydrates are the main source of energy. They are tasteless macromolecules. A polysaccharide is a branched or unbranched polymer of monosaccharides linked by glycosidic bonds. They are insoluble in water and used in storage and structural purposes.

Detailed explanation-4: -Capsular polysaccharides are water-soluble, commonly acidic, and have molecular weights on the order of 100, 000 to 2, 000, 000 daltons. They are linear and consist of regularly repeating subunits of one to six monosaccharides.

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