BIOMOLECULES AND ENZYMES

BIOLOGY

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Polysaccharides are large molecules containing
A
10 or more monosaccharide units
B
10 or more disaccharide units.
C
10 or more trisaccharide units.
D
All above answers are wrong.
Explanation: 

Detailed explanation-1: -As a rule of thumb, polysaccharides contain more than ten monosaccharide units, whereas oligosaccharides contain three to ten monosaccharide units, but the precise cutoff varies somewhat according to the convention.

Detailed explanation-2: -Disaccharides contain two sugar units. Oligosaccharides contain 3 to 10 sugar units. Polysaccharides contain more than 10 sugar units.

Detailed explanation-3: -Oligosaccharide is the short chain of monosaccharide unit which composed of 3-10 molecules connected by glycosidic linkage. The most common example of oligosaccharide is raffinose. It is a trisaccharide found in many plants and composed of galactose, glucose and fructose.

Detailed explanation-4: -A polysaccharide is a large molecule made of many smaller monosaccharides. Monosaccharides are simple sugars, like glucose. Special enzymes bind these small monomers together creating large sugar polymers, or polysaccharides. A polysaccharide is also called a glycan.

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