$DNA$ elements, which can switch their position, are called
Exons
Introns
Cistrons
Transposons/Jumping genes
Splicing is necessary for preparing a mature transcript and its movement to cytoplasm. It requires
The frequency of a mutant gene in a population is expected to increase, if the gene is
$A$ : Teminism is unidirectional flow of information.
$R$ : It requires $DNA$ dependent $RNA$ polymerase enzyme
Balbiani rings are present in
Life span of $mRNA$ in E. coli is