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Learn how transcription works in bacteria and eukaryotes, and what are the stages of initiation, elongation and termination. See examples of promoters, RNA polymerase and RNA products.
DNA transcription is the process of converting DNA to RNA, a more portable set of instructions for the cell. Learn how transcription occurs in prokaryotes and eukaryotes, and what factors regulate it.
Apr 24, 2024 · Transcription is the process of copying DNA into RNA, which occurs in the nucleus of eukaryotic cells and in the cytoplasm of prokaryotic cells. Learn how transcription is regulated by promoters, repressors, activators, and transcription factors.
- The Editors of Encyclopaedia Britannica
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Transcription is the process of copying a segment of DNA into RNA. The segments of DNA transcribed into RNA molecules that can encode proteins produce messenger RNA (mRNA). Other segments of DNA are transcribed into RNA molecules called non-coding RNAs (ncRNAs).
Learn about the process of transcription, where DNA is copied into RNA, and the role of enzymes and ribosomes. This web page is part of a free textbook on biology concepts, but it has a glitch and cannot be accessed.
Transcription in eukaryotes involves one of three types of polymerases, depending on the gene being transcribed. RNA polymerase II transcribes all of the protein-coding genes, whereas RNA polymerase I transcribes rRNA genes, and RNA polymerase III transcribes rRNA, tRNA, and small nuclear RNA genes.
