Biomolecules

Short Answer Type

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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?

Complete hydrolysis of RNA yields a pentose sugar(D-ribose), phosphoric acid and nitrogen containing heterocyclic compounds (called bases). Such as guanine (G), cytosine (C), Uracil (U), Adenine (A).

There is no relationship among the quantities of four bases obtained on complete hydrolysis of RNA. It is because base sequence in RNA is not fixed but depend on base sequence in DNA i.e., the base sequence in a specific RNA is controlled by that of DNA which is controlling RNA synthesis (i.e., transcription). The base sequence in DNA indirectly controls the sequence of amino acids in the protein.


 

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