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BI226 (66)
Lecture

key terms 5.pdf

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Department
Biology
Course
BI226
Professor
Bruce Mc Kay
Semester
Fall

Description
BI226 2009 Section 5: Gene regulation in bacteria and bacteriophages KEY CONCEPTS • Cells regulate expression of their genes at the transcriptional, post-transcriptional, translational, and post -translational levels. • Many prokaryotic genes are organized in operons, a tandem array of genes that are transcribed as a single mRNA. This organizatio n permits the coordinate d regulation of the proteins encoded by genes in the operon. • Interactions between tran scription factors and DNA se quence elements regulates eukaryotic genes at the transcriptional level. • Regulation at the transcriptional leve l is usually combined with regulation beyond transcription to ultimate ly determine gene expression. KEY TERMS gene regulation transcriptional regulation post-transcriptional regulation translational regulation post-translational reg
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