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Give reasons for the following Amino a...

Give reasons for the following
Amino acids are amphoteric in behaviour.

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ICSE-BIOMOLECULES-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(LONG ANSWER QUESTIONS)
  1. Write down the structures and names of the products obtained when D-gl...

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  2. The melting points of amino acids are higher than the corresponding ha...

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  3. Give reasons for the following Amino acids are amphoteric in behavio...

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  4. Give reasons for the following On electrolysis in acidic solution, a...

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  5. Give reasons for the following The mono-amino carboxylic acids have ...

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  6. If three amino acids viz., glycine, alanine and phenylalanine react to...

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  7. What type of linkage are responsible for the formation of: (i) Prima...

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  8. What type of forces stabilize a protein structure ?

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  9. Discuss 'Enzymes lower the activation energy'.

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  10. Name two facts in support of zwitterion structure ofa-amino acids.

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  11. What is the basic difference between starch and cellulose?

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  12. What are proteins? Name the products obtained during their hydrolysis....

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  13. Write the repeating unit in polypeptides. Write the structure of glycy...

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  14. What are enzymes ?

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  15. Write the names of enzymes whose deficiency causes albinism and phenyl...

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  16. Differentiate between : (a) DNA and RNA (b) Ribose and deoxyribo...

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  17. What are vitamins ? List at least four vitamins. Describe their functi...

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  18. Which forces are responsible for the stability of alpha -helix ? Why i...

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  19. What are the products obtained on complete hydrolysis of DNA ? Write d...

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  20. Alkaline KMnO4 oxidises lactic acid to give:

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