Lab Questions Flashcards
bla (selectable marker)
antibiotic resistance, kills bacteria without plasmid
origin of replication
allows the plasmid to be copied on its own
GFP
glowing gene, gene of interest
araC
repressor protein, binds to promoter pBAD, stops transcription, arabinose allows transcription
Why can we separate GFP by HIC Chromatography?
HIC Chromatography allows proteins to be separated on whether they are hydrophobic or not. Since GFP is hydrophobic, it’s able to easily bind to its column and separate itself from the rest of the hydrophilic proteins.
aseptic technique
process of keeping bacteria in the lab
heat shock
cooling bacteria, heat it up fast, then cool it down again
+ LB/Amp
grow
+ LB/Amp/Ara
glow and grow
- LB/Amp
nothing occurs
- LB
grow
- LB/Ara
grow
+ LB/Ara
grow and glow
- LB/Amp/Ara
nothing occurs