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Lecture notes study book Molecular Biology Techniques of Sue Carson, Susan Carson, Heather Miller, D. Scott Witherow - ISBN: 9780123855442 (Lecture notes)
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TranscriptionKey points:
Transcription is the process in which a gene's
sequence is copied (transcribed) to make an RNA mole
RNA polymerase is the main transcription enzyme.
Transcription begins when RNA polymerase binds
a promoter sequence near the beginning of a gene (dir
or through helper proteins).
RNA polymerase uses one of the DNA str
(the template strand) as a template to make a
complementary RNA molecule.
Transcription ends in a process called termina
Termination depends on sequences in the RNA, which s
that the transcript is finished.
, Introduction
RNA polymerase is crucial because it carries out transcription
process of copying DNA (deoxyribonucleic acid, the gen
material) into RNA (ribonucleic acid, a similar but more short-l
molecule).
Transcription is an essential step in using the information
genes in our DNA to make proteins. Proteins are the key molec
that give cells structure and keep them running.
Transcription is essential to life, and understanding how it wor
important to human health. Let's take a closer look at w
happens during transcription.
, Transcription overview
Before transcription can take place, the DNA double
helix must unwind near the gene that is getting
transcribed. The region of opened-up DNA is called a
transcription bubble.
Image below outline the process
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