In $t-RNA$
$CCA -OH$ is present at $5$-end
$T \Psi C$ loop for attaching the amino acid
$DHU$ loop for binding with $AA $- activating enzyme
There are three recognition sites
$A$ set of genes or $cDNA$ is immobilized on a glass slide and used in transcriptome studies is called
Feulgen reaction is a special test for
In lac operon, the lac $mRNA$