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Solution


Q.

Which of the following RNAs is not required for the synthesis of protein                 [2021]
1 siRNA  
2 mRNA  
3 tRNA  
4 rRNA  

Ans.

(1)

siRNA is not required for protein synthesis. Instead, they are highly specific and interfere with the expression of specific genes with complementary nucleotide sequences by degrading mRNA after transcription, thus preventing translation.