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What is the melting temperature (`T_m`) of DNA ? A DNA molecule with more number of GC base pairs than AT base pairs, has higher `T_m` than the one with lesser number of GC base pairs than AT base pairs. Explain why?

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ICSE-BIOMOLECULES-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(SHORT ANSWER QUESTIONS)
  1. Enumerate the structural differences between DNA and RNA. Write down t...

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

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

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

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  5. Explain the process of DNA replication.

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

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

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

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

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  10. What are proteins ? Write their two uses.

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

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  12. The two main differences between RNA and DNA are

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

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  14. How are proteins related to amino acids ? Mention a difference between...

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  15. Explain the terms primary and secondary structures of proteins. What i...

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  16. What role do enzymes have in the functioning of our bodies?

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  17. What do you mean by a nucleotide ? Write two functions of DNA.

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  18. Name the chemical components which constitute nucleotides. Write any t...

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  19. Name the diseases caused due to the deficiency of vitamins A, E, B(12)...

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  20. Denaturation and renaturation of proteins

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