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  • Read the following statements and choose the ones favouring RNA to be the genetic world in primitive organisms: RNA is stable and rarely undergo catalytic reactions RNA

Read the following statements and choose the ones favouring RNA to be the genetic world in primitive organisms:

  1. RNA is stable and rarely undergo catalytic reactions
  2. RNA is reactive and catalytic which allowed the evolution of DNA from RNA
  3. RNA still serves as genetic material in some viruses
  4. RNA has no role in carrying the genetic information forward in higher organisms.
     
Option: 1

1, 2 & 3

 


Option: 2

2, 3 & 4
 


Option: 3

2 & 3
 


Option: 4

3 & 4


Answers (1)

best_answer

 

 

As discussed in RNA World - 

 

RNA is reactive and takes part in catalysis. As per RNA world hypothesis, it served as genetic material in primitive cells, and still serves as genetic material in some viruses. In higher organisms, it performs the functions of metabolism, translation, splicing, etc.
Hence, the correct answer is option c.

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mansi

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