Which of the following $rRNAs$ acts as structural $RNA$ as well as ribozyme in bacteria (in $S\ rRNA$)?

Which one of the following also acts as a catalyst in a bacterial cell?

Consider the following:
$1$. Structural gene
$2$. Messenger $RNA$ $(mRNA)$
$3$. Ribosomes
$4$. Transcription
$5$. Translation
Which of the following is the correct sequence for protein synthesis?

What are anticodons?

The majority of unusual bases are found in $tRNA$. The $T\Psi C$ loop is:

If an $mRNA$ has the codon $UAG$,which anticodon will the incoming $tRNA$ carry?