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The melting points of amino acids are hi...

The melting points of amino acids are higher than the corresponding halo-acids because

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The melting points and solubility in water of amino acids are generally higher than that of the corresponding halo acids. Explain.

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ICSE-BIOMOLECULES-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(LONG ANSWER QUESTIONS)
  1. Give the chemistry of sliver mirror test and Fehling solution test for...

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  2. Write down the structures and names of the products obtained when D-gl...

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

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

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

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

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

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

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  9. What type of forces stabilize a protein structure ?

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  10. Discuss 'Enzymes lower the activation energy'.

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

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

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

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

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  15. What are enzymes ?

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

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

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

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

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

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