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  • Select the correct option w.r.t process of translation in prokaryotes  1. During the initial phase, GTP acts as a source of energy. 2. There are three initiation factors (IF 1, I

Select the correct option w.r.t process of translation in prokaryotes 
1. During the initial phase, GTP acts as a source of energy.
2. There are three initiation factors (IF 1, IF 2 and IF 3) that help the assembly of the initiation complex.
3. The first mRNA is translated by formyl aminoacyl tRNA.
 

Option: 1

All of the above 
 


Option: 2

1 & 3 
 


Option: 3

1 & 2


Option: 4

None  of the above 
 


Answers (1)

 

 

As we have already studied in Process of Translation -

 Like transcription, translation has three stages: initiation, elongation and termination. 
During Initiation:

  • Initiation of translation in prokaryotes involves the assembly of the components of the translation system which are: 
    • the two ribosomal subunits (small and large), 
    • the mRNA to be translated, the first (formyl) aminoacyl tRNA (the tRNA charged with the first amino acid), 
    • GTP (as a source of energy), 
    • three initiation factors (IF 1, IF 2 and IF 3) which help the assembly of the initiation complex.
  • Hence, the correct option is (a)
     
Posted by

Ramraj Saini

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