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What type of bonding helps in stabilisin...

What type of bonding helps in stabilising the a-helix structure of proteins?

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The `alpha` - helix structure of proteins is stabilized by intramolecular H-bonding between C = O group of one amino acid residue and the N-H of the fourth amino acid residue in the chain.
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ICSE-BIOMOLECULES-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(VERY SHORT ANSWER QUESTIONS)
  1. Give reasons for the following: (i) Proteins such as insulin used as...

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  2. Name the vitamin which is vital for the clotting of blood?

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

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  4. Name the vitamins whose deficiency causes (i) Night blindness (ii) Poo...

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  5. What do the following abbreviations stand for : (i) AMP (ii) ADP (i...

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  6. How many molecules of ATP are produced per molecule of glucose in glyc...

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  7. Name thea-amino acid which is optically inactive.

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  8. What are the functions of nucleic acids ? What are the structures of s...

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  9. What is the nature of forces holding two long DNA molecules - together...

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  10. If one strand of DNA has the sequence ATGCTTGA, the sequence in the co...

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  11. Is a diet consisting mainly of rice an adequate diet? Why or why not.

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  12. Differentiate between anomers and epimers.

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  13. Deficiency of which vitamin causes the disease pernicious anaemia ?

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  14. Of the two bases named below, which one is present in RNA and which on...

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  15. Give an example of a disaccharide that contains fructose unit in the f...

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

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  17. What are the products of hydrolysis of sucrose ?

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  18. What are the products of hydrolysis of lactose ?

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  19. Write the name of the linkage joinining two amino acids.

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  20. Which of the components of starch is water soluble ?

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