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Answer the following queries about prote...

Answer the following queries about proteins :
(i) How are proteins related to amino acids ?
(ii) How are oligopeptides different from polypeptides?
(iii) When is a protein said to be denatured ?

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ICSE-BIOMOLECULES-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(SHORT ANSWER QUESTIONS)
  1. What changes occur in the nature of egg proteins on boiling?

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  2. State two main differences between globular and fibrous proteins.

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  3. Answer the following queries about proteins : (i) How are proteins r...

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  4. Name two water soluble vitamins , their sources and the diseases cause...

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  5. Name two fat soluble vitamins, their sources and the diseases caused d...

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  6. Name the four bases present in DNA. Which of one of these is not prese...

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  7. Name the two components of starch. How do they differ from each other ...

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  8. Define the following terms: (i) Coenzymes (ii) Nucleotides (iii...

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  9. Write the chemical equations for the reactions of glucose with (i) a...

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  10. Give the plausible explanation for the following: (i) Glucose doesn'...

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  11. Despite having an aldehydic group Draw the Haworth structure of a-D-...

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  12. Despite having an aldehydic group What is the significance of D and ...

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  13. What are the three main classes of organic compounds that account for ...

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  14. Proteins are found to have two different types of secondary structures...

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  15. The tertiary structure of many proteins dissolved in water is disrupte...

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  16. In human system, starch acts as a nutrient but cellulose does not. Exp...

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  17. Discuss 'Enzymes lower the activation energy'.

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  18. Amylose and cellulose are both straight chain polysaccharides containi...

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  19. What is the role of vitamin C in our daily life?

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  20. What are the constituents of starch?

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