DNA to RNA — process?
Transcription produces RNA from DNA.
Transcription — definition?
DNA to RNA synthesis by RNA polymerase.
Eukaryotic promoter — key element?
TATA box recognized by TFIID.
RNA processing — steps?
Capping, polyadenylation, splicing.
RNA splicing — mechanism?
snRNPs remove introns via lariat formation.
Translation — role?
Decodes mRNA into amino acids.
Promoter sequences — bacteria?
-10 and -35 regions.
RNA types — examples?
mRNA, tRNA, rRNA, snRNA, regulatory RNAs.
Genetic code — features?
64 codons, AUG start, UAA/UAG/UGA stop.
RNA modifications — types?
5′ cap, 3′ poly-A tail, splicing.
Test your knowledge with 10 questions on Gene Expression and RNA Processing.
1. What is the primary role of RNA polymerase during transcription in both prokaryotic and eukaryotic cells?
2. What is the primary enzyme responsible for transcribing DNA into RNA?
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