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Biomolecules

Short 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.

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248.
Explain the following:
Denaturation of proteins.

Protein found in a biological system with a unique three-dimensional structure and biological activity is called a native protein. When a protein in its native form, is subjected to physical change like a change
in temperature or chemical change like a change in pH, the hydrogen bonds are disturbed. Due to this, globules unfold and helix get uncoiled and protein loses its biological activity. This is called denaturation of the protein.

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