What is the major difference among the common polysaccharides glycogen, starch and cellulose?
Answer
Verified656.7k+ views
Hint: Polysaccharides are the polymeric carbohydrate structure which is formed of repeating units of monosaccharides or disaccharides joined together by glycosidic bonds.
Complete Answer:
- Polysaccharides contain slight modifications of the repeating unit and are heterogeneous. Polysaccharides contain various degrees of branches. The most abundant carbohydrate found in food is polysaccharides.
- Polysaccharides are polymers of D-glucose.
Some of the important polysaccharides are
- Starch- amylose, and amylopectin
- Glycogen
- Cellulose
- Chitin
Note: Plants form starch, animals form glycogen. Plants also form the cellulose to build cell walls. The breakage of cellulose is difficult while starch is easy. Cellulose is the most abundant polysaccharide on earth. Starch acts as short term energy stores in plants and glycogen in animals.
Complete Answer:
- Polysaccharides contain slight modifications of the repeating unit and are heterogeneous. Polysaccharides contain various degrees of branches. The most abundant carbohydrate found in food is polysaccharides.
- Polysaccharides are polymers of D-glucose.
Some of the important polysaccharides are
- Starch- amylose, and amylopectin
- Glycogen
- Cellulose
- Chitin
| Sl.No | Starch | Cellulose | Glycogen |
| 1. | It is the main storage carbohydrate source in plants. | It is the main component of the cell wall of plants. | It is the main storage carbohydrate source of fungi and animals. |
| 2. | Monomer unit is alpha glucose. | Monomer is beta glucose. | Monomer is alpha glucose. |
| 3. | 1,4 glycosidic bonds in amylose and 1,6 glycosidic bonds in amylopectin occur. | 1,4 glycosidic bonds occur between monomers. | 1,4 and 1,6 glycosidic bonds occur between the monomers. |
| 4. | Amylose is a coiled chain whereas amylopectin is a long branched chain. | Straight, long, unbranched chain, which forms H-bonds with adjacent chains. | A short, many branched chains of which some chains are coiled. |
Note: Plants form starch, animals form glycogen. Plants also form the cellulose to build cell walls. The breakage of cellulose is difficult while starch is easy. Cellulose is the most abundant polysaccharide on earth. Starch acts as short term energy stores in plants and glycogen in animals.
Recently Updated Pages
Which of the following graphs shows the variation of class 12 physics CBSE
Draw a labelled diagram of the human male reproductive class 12 biology CBSE
Describe the experiment to compare the emf of two cells class 12 physics CBSE
What is standard hydrogen electrode
What is conventional current and electric current class 12 physics CBSE
2Bromopentane is treated with an alcoholic KOH solution class 12 chemistry CBSE
Trending doubts
Draw a labelled sketch of the human eye class 12 physics CBSE
Which are the Top 10 Largest Countries of the World?
A member of Simon commission later became Prime Minister class 12 social science CBSE
Draw ray diagrams each showing i myopic eye and ii class 12 physics CBSE
Give one example of a reptile that is viviparous class 12 biology CBSE
Which is the correct genotypic ratio of mendel dihybrid class 12 biology CBSE