For Heathrow Terminal 4, follow the signs inside the terminal building for the free shuttle bus service to Heathrow Central train station, where you can get on the Heathrow Express train. The shuttle service from Terminal 4 departs every 15 minutes and is a 4 minute journey.
Definition of transcript 1 a: a written, printed, or typed copy; especially: a usually typed copy of dictated or recorded material b: an official or legal and often published copy
In a eukaryotic cell, the nuclear envelope separates transcription from translation. Eukaryotic RNA transcripts are modified through RNA processing to yield finished mRNA. A primary transcript is the initial RNA transcript from any gene prior to processing.