Question:
Examples of homoglycans and heteroglycans are _______
Examples of homoglycans and heteroglycans are _______
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Remember that starch, glycogen, and cellulose are homopolymers of glucose, whereas plant gums, mucilages, and pectins are heteropolymers containing diverse sugar units.
Updated On: Jul 10, 2026
- Cellulose, and glycogen
- Hemicellulose and mucilage
- Glycogen and pectin
- Pectin and resins
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Polysaccharides (glycans) are classified into homoglycans or heteroglycans based on the monosaccharide units released upon complete hydrolysis.
Step 2: Detailed Explanation:
- Homoglycans (homopolysaccharides) consist of only one type of monosaccharide unit.
For example, cellulose and glycogen are polymers composed entirely of D-glucose units.
- Heteroglycans (heteropolysaccharides) consist of two or more different types of monosaccharide units.
For example, pectin is composed of galacturonic acid, rhamnose, arabinose, and galactose, while hemicellulose contains xylose, mannose, and galactose.
- Analyzing the options:
(A) Cellulose and glycogen: Both are homoglycans.
(B) Hemicellulose and mucilage: Both are heteroglycans.
(C) Glycogen (homoglycan) and pectin (heteroglycan): This pair correctly represents a homoglycan and a heteroglycan.
Step 3: Final Answer:
Therefore, the correct pair of a homoglycan and a heteroglycan is glycogen and pectin.
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