{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Lecture27_euk_gene_express

Lecture27_euk_gene_express - Announcements 2 more quizzes...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Control of Gene Expression in Eukaryotes Lecture 27 Announcements 2 more quizzes to smartsite this afternoon – Only 100 quiz points ‘count’ toward your score Final – two rooms – look for announcement on Smartsite – MC questions only, about 75 questions – About 50% of exam on Unit 3 Last one-minute paper Why do cells control gene regulation? Transcriptional activation in eukaryotes In eukaryotes, general transcription factors (regulatory proteins) must assemble on the chromosome before RNA polymerase can bind to the promoter and begin transcription. The transcription factors form a transcription initiation complex . Specialized enhancers fine-tune gene expression Enhancers are non- coding DNA, 100s of base pairs long Can be remote from the gene controlled Regulatory proteins bind to the DNA Activators are special transcription factors that bind to enhancers
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon