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What is glycogen? How is it different fr...

What is glycogen? How is it different from starch?

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Glycogen is a polysaccharide found in all animal cells mainly in muscles and liver. It serves as a reserve carbohydrate of animals and hence is known as animal starch. It is a polymer of about thousand glucose units arranged in the form of highly branched chain.
On the other hand, starch is a principal food storage of glucose energy. Starch is a polymer of `alpha`-D-glucose consisting of two components amylose and amylopectin.
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MODERN PUBLICATION-BIOMOLECULES-NCERT FILE (NCERT)(Textbook Exercises)
  1. Classify the following into monosaccharides and disaccharides.

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  2. What do you understand by the term glycosidic linkage?

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  3. What is glycogen? How is it different from starch?

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  4. What are the hydrolysis products of (i) sucrose and (ii) lactose?

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  5. What is the basic structural difference between starch and cellulose?

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  6. What happenes when D-glucose is treated with the following reagents? ...

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  7. Enumerate the reactions of D-Glucose which cannot be explained by its ...

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  8. What are essential and non-essential amino acids? Give two examples of...

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  9. Define the following as related to proteins : (i) Peptide linkage ...

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  10. What are the common types of secondary structures fo proteins?

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  11. What type of bonding helps in stabilising the alpha-helix structure of...

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  12. Differentiate between globular and fibrous proteins.

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  13. How do you explain the amphoteric behaviour of amino acids?

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  14. what are enzymes?

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  15. What is the effect of denaturation on the structure of proteins?

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  16. How are vitamines classified? Name the vitamin responsible for the coa...

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  17. Why are vitamin A and vitamin C essential for us? Give their important...

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  18. What are nucleic acids ? Mention their two important functions.

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  19. What is the difference between a nucleoside and nucleotide ?

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  20. Two strands in DNA are not identical but are complementary. Explain?

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