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Questions  

Select the wrong statement :

a
There is now enough evidence that essential processes like metabolism, translation and splicing evolved around RNA
b
DNA may act as a catalyst
c
RNA can splice itself and is also able to act as a catalyst
d
DNA stores genetic information

detailed solution

Correct option is B

DNA chemically is less reactive and structurally more stable when compared to RNA. The DNA is therefore a better genetic material. RNA is reactive and hence act as catalyst. The process of removal of introns and joining the exons is called splicing. Splicing is carried out with the help of snurps (sn RNA + protein). The snurps bind on either side of intron forming a spliceosome which is removed using energy from ATP.

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Similar Questions

Identify the correct statement(s).
(a) DNA being double stranded and having complementary strand further resists changes by evolving a process of repair.
(b) RNA used to act as a genetic material as well as a catalyst
(c) Essential life processes such as metabolism, translation, splicing, etc., evolved around RNA.


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