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Biomolecules

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What are polysaccharides? Name one of them. How is it important to us?

Solution

Polysaccharides are carbohydrates which on hydrolysis gives hundreds or even thousands of monosaccharides units. Cellulose is an example of polysaccharide.
Cellulose is an example of polysaccharide. Cellulose is important to us in the following ways:
(i) It is used in the manufacture of rayon and gun cotton (explosive).
(ii) It is used in the manufacture of cellotape and cellophone paper.
(iii) It is used in the manufacture of nitrocellulose (used as rocket propellant).

Some More Questions From Biomolecules Chapter

The melting points and solubility of water of amino acids are generally higher than that of the corresponding halo acids. Explain.

Where does the water present in the egg go after the boiling the egg?

Why cannot vitamin C be stored in our body?

What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?

When RNA is hydrolysed, there is no relationship among the quantities of different bases obtained. What does this fact suggest about the structure of RNA?

What is a biomoiecule?

Define carbohydrates.

Give one example each of (i) Reducing sugar and (ii) Non-reducing sugar.

Name the anomers of glucose.

State two characteristics of monosaccharides.

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