Which molecule serves as a template for transcription?
DNA serves as a template for the synthesis of RNA during transcription.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Human Genome Project and DNA Fingerprinting
#DNA transcription
4 public questions tagged with this topic.
Filter questions
Which region of a gene determines where transcription will begin?
The promoter is the region of a gene where RNA polymerase binds to initiate transcription.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Transcription - Mechanism and RNA Polymerase
Transcription unit in eukaryotes is generally
Eukaryotic nuclear genes generally transcribed as monocistronic units containing single open reading frame per pre-messenger RNA. After 5' capping, splicing, and polyadenylation, mature mRNA exported to cytoplasm translates into single polypeptide. Separate promoters, enhancers, chromatin remodeling regulate each gene independently, allowing tissue-specific expression and alternative splicing diversity not feasible with polycistronic organization. Though few exceptions exist in nematodes and trypanosomes where trans-splicing generates monocistronic products from polycistronic precursors, predo
Ref: Alberts Molecular Biology Cell Chapter 6: Eukaryotic monocistronic vs prokaryotic polycistronic; Lodish Chapter 8 Eukaryotic transcription units
A transcription unit extends from
Transcription unit represents functional extent of DNA copied into single primary RNA by polymerase moving from initiation to termination signals. Boundaries include promoter upstream where holoenzyme binds sigma factor and recognizes consensus elements, transcription start site, 5' untranslated sequence, coding region or polycistronic cistrons in bacteria, 3' untranslated region, and terminator sequence triggering release. In eukaryotes unit also includes introns later spliced. Unit distinguishes replicon which drives replication initiation and operon conceptual organization. Understanding un
Ref: NCBI Bookshelf Molecular Biology Transcription unit promoter to terminator definition; Alberts Chapter 6 Transcription unit components