Synthesis of $m - RNA$ is

Genetic information transfer nucleus to cytoplasm by

Which of the following molecule contains the genetic code?

Identification and binding of $RNA$ polymerase to the promoter sequence is a function of

There is only one possible sequence of amino acids when deduced from a given nucleotides. But multiple nucleotides sequence can be deduced from a single amino acid sequence. Explain this phenomena.

The equivalent of a structural gene is