The following images attempt to illustrate transcription and emphasize some of its most important steps. Clicking on each of the thumbnail images will bring up a larger, labeled version of the described scene.

To see the Flash movie for the following sequence of images, click here.

	Transcription unit.
	Promoter and the TATA box.
	Transcription apparatus.
	Strand separation is necessary for RNA Polymerase to transcribe RNA.
	RNA polymerase moves along the DNA.
	Transcription eye.
	Transcription is complete.