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What are enzymes ?...

What are enzymes ?

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Enzymes are biological catalyst. Each biological reaction requires a different enzyme. Thus, as compared to cmoventional catalyst enzymes are very specific and efficient in their action. Each type of enzyme has its own specific optimum conditions of concentration, pH and temperature at which it works best
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NCERT ENGLISH-BIOMOLECULES-Exercise
  1. What is glycogen? How is it different from starch?

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

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

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

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

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  6. What are the essential and non-essential amino acids?Give two examples...

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

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  8. What are the common types of secondary structures for proteins?

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  9. What type of bonding helps in stabilising the a-helix structure of pro...

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  10. Differentiate between globular and fibrous proteins.

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

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  12. What are enzymes ?

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

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

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

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

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

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  18. The two strands of DNA are not identical, but are complementary'. Expl...

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  19. Write the main structural difference between DNA and RNA. Of the four ...

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  20. What are the different types of RNA found in the cell?

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