In which form of $RNA$ most nucleotides are in modified form
$mRNA$
$rRNA$
$tRNA$
$hnRNA$
Number of $(approximately)$ genes in E. coli are
$A$: Kornberg enzyme is associated with the removal of primers and thyminedimer.
$R$: $DNA$ polymersase I does exonuclease activity in $5^{\prime} \rightarrow 3^{\prime}$ and $3^{\prime} \rightarrow 5^{\prime}$ directions.
Which one of the following hydrolyses internal phosphodiester, bonds in a polynucletide chain
Where Anticodon occurs in transcription
In protein synthesis, which of the following are required for the synthesis of charged $tRNA$?