Transcription begins when RNA polymerase binds to the promoter (Initiation), continues with the synthesis of RNA (Elongation), and ends when RNA polymerase reaches the terminator sequence (Termination).
Arrange the following in correct order in polymerase chain reaction cycle:
I Deannealing
II Denaturation
III Extension
IV Annealing
Diagram represents central dogma of molecular biology. Choose the correct labelling of "X" and "Y":