What defines a transcription unit in DNA, and what are its components?
Understand the Problem
The question is asking about the concept of a transcription unit in DNA, detailing its components such as promoter, structural gene, and terminator, as well as explaining the significance of using one strand of DNA as a template for transcription.
Answer
Promoter, structural gene, terminator.
A transcription unit in DNA consists of three components: a promoter, a structural gene, and a terminator.
Answer for screen readers
A transcription unit in DNA consists of three components: a promoter, a structural gene, and a terminator.
More Information
The promoter is where transcription begins, the structural gene is transcribed into RNA, and the terminator signals the end of transcription. Monocistronic genes occur mostly in eukaryotes, while polycistronic genes are found predominantly in prokaryotes.
Tips
Ensure all components are identified correctly within a transcription unit.
Sources
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