The picture on the right shows a cell. The darker spot is it's nucleus which contains
the DNA. The membrane of the nucleus separate the DNA from
the rest of the cell's contents because the external environment
outside the nucleus may cause the genetic coding on DNA to change.
But you need
to transfer the information DNA carries out, so that proteins can
be made. So, a molecule called Messenger Ribonucleic Acid (mRNA)
is used to get information from the DNA.
The process of
transferring information of DNA from inside the cell membrane to
the outside is call Transcription. This involves 4 steps,
Initiation, Elongation, Termination and Post-Transcription