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 Multiple Choice QuestionsShort Answer Type

241.

Mention two structural differences between amylose and amylopectin.

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242. What are enzymes? Discuss their functions? 
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243.

How does DNA differ from RNA with respect to (a) Sugar and (b) base residues?

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244.

What are the different types of RNA found in the cells of organisms? What are their functions?

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245.

How would you convert fructose into glucose?

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246.

What are vitamins? Classify them into water soluble and insoluble vitamins.

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247.

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


The spontaneous change in specific rotation of an optically active compound is called mutarotation.All reducing sugars undergo mutarotation. Glucose show mutarotation because during the formation of hemiacetal, another asymmetric carbon is produced (C-1) which can exist in two forms,




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248.

Explain the following:
Denaturation of proteins.  

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249.

Which one of the following is a disaccharide: Starch, Maltose, Fructose, Glucose ?

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250.

What is the difference between fibrous protein and globular protein?

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