BIO 219 QUIZZES Questions With Complete
Solutions
Which gene in the lux operon encodes the auto-inducer, AHL
Lux R
b.
Lux I
c.
Lux A
d.
Lux D b
What is the overall purpose of the quarter-long project?
I. To map the lux operon
II. To isolate the lux operon from A. fischeri and transf...
Which gene in the lux operon encodes the auto-inducer, AHL
Lux R
b.
Lux I
c.
Lux A
d.
Lux D b
What is the overall purpose of the quarter-long project?
I. To map the lux operon
II. To isolate the lux operon from A. fischeri and transform E. coli with it the operon to induce
bioluminescence
III. To induce the upregulation of the gadA gene in E. coli through quorum sensing 2 and
3
,BIO 219 QUIZZES Questions With Complete
Solutions
Regulation of gene expression in response to changes in cell population density is known as
_______________________. quorum sensing
If you wanted to get a brighter bioluminescence from your culture of Allivibrio which of the
following "treatments" would increase the amount of blue-green light emitted?
treatment with CO2
b.
Treatment with chaotropic salts
c.
treatment with O2
d.
treatment with acid
e.
Treatment with a alkaline buffer c
What is used to elute the DNA from the silica membrane in the spin column?
a.
,BIO 219 QUIZZES Questions With Complete
Solutions
Chaotropic salts
b.
SDS (sodium dodecy sulfate)
c.
Water
d.
Ethanol
e.
A low pH buffer. c
Good minions always wear their [x] and [y] for lab safety! gloves
goggles
What is the range for the 260:280 ratio that indicates a DNA sample of "good purity"?
2.2 - 3.5
b.
0.5 - 1.5
c.
, BIO 219 QUIZZES Questions With Complete
Solutions
2.0 - 2.2
d.
1.5 - 1.8
e.
1.8 - 2.0 e
Of the assignments listed in the answers, which one is NOT done as group work?
Final Exam
b.
Lab Report 1
c.
Lab Notebooks
d.
Lab Report 2 final exam
A 260:280 ratio = 2.36 would indicate protein contamination. false
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller UpperClass. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $21.99. You're not tied to anything after your purchase.