What are enzymes? Discuss their functions?  from Chemistry Bio

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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? 


Enzymes act as catalysts for organic biochemical reactions.An example is the digestion of food, absorption of appropriate molecules and ultimately production of energy. This process involves a sequence of reactions and all these reactions occur in the body under very mild conditions. This occurs with the help of certain biocatalysts called enzymes.For example, the enzyme that catalyses hydrolysis of maltose into glucose is named as maltase.





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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.

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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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