In genetics, a transcription factor is a protein that binds DNA at a specific promoter or enhancer region, where it regulates transcription. Transcription factors can be selectively activated or deactivated by other proteins, often as the final step in signal transduction.
All Wikipedia text
is available under the
terms of the GNU Free Documentation License
Search Encyclopedia
Search over one million articles, find something about almost anything!
... democratic society.
This limitation on rights has been used in the last twenty years to prevent a variety of objectionable conduct such as hate speech and obscenity. ...