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Biology 1002B (1,346)
Tom Haffie (863)
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Signals.docx

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Department
Biology
Course
Biology 1002B
Professor
Tom Haffie
Semester
Winter

Description
Signals Prokaryote/ Recognized Recognized Eukaryote? Signal Function As: By: Proteins/ Both Promoter Attracts transcription factors that DNA RNA attract RNA polymerase polymerase Eukaryotic Activators Bind enhancers with promoter Sequence on promoter that recruits Eukaryotic TATA Box general transcription factors DNA Proteins Eukaryotic Enhancers Stabilizes RNA polymerase and DNA Proteins increase transcription rates Prokaryotic SD Box Base pairs to complimentary rRNA to mRNA rRNA help mRNA bind to ribosome Recruit splicesosomes to splice introns Eukaryotic Introns/ Exons out of pre mRNA; alternative splicing mRNA snRNAs Both Protein binding Transcriptional Regulation DNA Proteisn sites (CAP) Eukaryotic Cleavage signals Recruits RNase to cut the pre mRNA mRNA Rnase (polyadenlyation) Prokaryotic Terminator signal Creates hairpin loop that 'knocks o
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