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What type of bonding occurs in (a) alpha...

What type of bonding occurs in (a) `alpha`-helix configuration (b) proteins and (c) `beta`-sheet ?

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Intermolecular hydrogen bonding between C=O group of one amino acid and `gt` NH group of fourth amino acid: intermolecular hydrogen bonding between neighbouring peplide chains.
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ICSE-BIOMOLECULES-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(SHORT ANSWER QUESTIONS)
  1. What type of bonding is involved in the a-helix of proteins?

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  2. Differentiate between globular and fibrous proteins.

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  3. What type of bonding occurs in (a) alpha-helix configuration (b) prote...

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  4. Describe the three forces that stabilize protein structure.

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  5. Draw open chain structure of aldopentose and aldohexose. How many asym...

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  6. Explain mutarotation. Give its mechanism in case of D-glucose.

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  7. Define and classify vitamins. Give at least two examples of each type.

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  8. Enumerate the structural differences between DNA and RNA. Write down t...

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  9. What are complementary bases ? Draw structure to show hydrogen bonding...

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  10. What is the melting temperature (Tm) of DNA ? A DNA molecule with more...

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  11. When RNA is hydrolysed there is no relationship among the quantities o...

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  12. Explain the process of DNA replication.

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  13. [A]: The genetic code is degenerate. [R]: Because the most amino ac...

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  14. What are polysaccharides ? Name two such substances of immense use to ...

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  15. What are enzymes ? In what respects do they differ from conventional c...

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  16. What are carbohydrates ? How do they act as a source of energy?

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  17. What are proteins ? Write their two uses.

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  18. What are essential amino acids ? Name two essential amino acids

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  19. The two main differences between RNA and DNA are

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  20. Name the anomers of glucose. How do they differ and what is the chief ...

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