Segments of $mRNA$ removed during splicing are called......
introns
exons
promotor regions
integrator regions
Process of reverse transcription was discovered by Temin in
Who first suggested bidirection $DNA$ replication process
Which type of $RNA$ is most abundant in cell
Hereditary element may be attached to chromosome or found free in cytoplasm is called
Which one of the following is not a process of $DNA$ replication