Which of the following is not region of transcription unit?
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.
Poly $A$ tail is present in
What are the functions of $(i)$ methylated guanasine cap, $(ii)$ poly $-A$ “tail” in a mature on $RNA $ ?
$DNA$ sequence that code for protein are knows as