Under the leadership of Mikhail Gorbachev, the doctrine of perestroika called for "<span>A. Openness in communication", since the "closed off" Soviet Tactics of the past were clearly not working by the 1980s.</span>
The cell needs transcription because the DNA cannot leave the nucleus and therefore cannot transmit info to the other cells.
I think it's the evaporation of water through the stomata :)
