Short Answer Type

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In what ways does starch show similarity with cellulose?


Starch and cellulose both are polysaccharides. They show similarity in the following ways:

(i) Both starch and cellulose do not reduce Fehling’s solution or Tollen’s reagent.
(ii) They do not form osazone.
(iii) Both are amorphons solid.
(iv) Both are polymers of D-glucose.


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What happens when D-glucose is treated with the following reagents?
Hi.

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What is glycogen? How is it different from starch?
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What happens when D-glucose is treated with the following reagents?
HNO3.

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What happens when D-glucose is treated with the following reagents?
Bromine water

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What do the following abbreviations represent?
(a) ala,       (b) val,     (c) leu,    (d) gly.  
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One Word Answers

Name a polysaccharide which is stored in the liver of animals as food reserve.

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Multiple Choice Questions

Consider a double helix. Are the base pairs?

  • part of the backbone structure

  • inside the helix

  • outside the helix

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Short Answer Type

What is the basic structural difference between starch and cellulose?

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Long Answer Type

Enumerate the reactions of D-glucose which cannot be explained by its open chain structure.
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