BIOL 3301 Genetics (Regulation of gene expression) Exam 3 study
ahead solution (Meisel & Dauwalder Eukaryotic) University of
Houston
, What are HAT's and HDACS?
Has to do with Acetylation addition and subtraction.
DF:HATs are associatied with transcription activation and HDACs are associated with transcription
repression.
What are insulators?
Has to do with enhancers activating promoters
What it Gal4?
It has to do with activation and pathways. Involves galactose.
What are activating and binding domains?
Activation domain is top piece and binding is bottom
What is an enhancer?
Region of DNA that can bind to activators to increase the likelihood a specific gene transcription occurs
What is SHH (Sonic Hedge Hog) and what's it do?
Has to do with fetuses and limbs
How does promotion of a sequence using an enhancer occur?
You attach the sequence right after the enhancer
How are genes decondensed around a histone?
Achtylation and Methylation
Why are insulators needed?
Because based on a parental gene and it's insulator a gene will or will not be expressed
What are three ways bacteria transfer DNA?
1. Uptake (eating)
2. Direct transfer btwn bacteria (mating)
3. Viral vector (infection)
How does conjugation occur?
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