Exam (elaborations)
BIO 255 Final Exam-Questions and Answers 100% Pass
- Course
- Institution
BIO 255 Final Exam-Questions and Answers 100% Pass
[Show more]
Content preview
BIO 255 Final Exam-Questions and Answers 100% PassYou inoculated a lysine decarboxylase tube and incubated it for 24 hours. After the incubation
period, you see turbidity and a yellow color. Is it positive or negative for what? Also, what
type of biochemical molecule is lysine (i.e. carbohydrate, lipid, etc Correct Ans-Negative
(0.5) for lysine decarboxylase (0.5 pt), Amino acid (1 pt)
You inoculated and incubated a Phenol Red (PR) Glucose tube with an unknown. If your
results end up with the medium being turbid, reddish orange, and no air pockets in the
Durham tube. What does the turbidity mean? Correct Ans-growth has occurred
You inoculated and incubated a Phenol Red (PR) Glucose tube with an unknown. If your
results end up with the medium being turbid, reddish orange, and no air pockets in the
Durham tube. What does the redish orange mean? Correct Ans-no acid production and no
gluclose
, BIO 255 Final Exam-Questions and Answers 100% Pass
You inoculated and incubated a Phenol Red (PR) Glucose tube with an unknown. If your
results end up with the medium being turbid, reddish orange, and no air pockets in the
Durham tube. What does the no air pockets mean? Correct Ans-no gas production
You stabbed the motility test medium using the inoculating needle with your unknown. What
would indicate that your unknown was motile? Correct Ans-Cloudiness in ALL directions
from the stab line
If your unknown was motile, give the 3 types of motility that it may have. Correct Ans-
Swimming (or Swarming), Gliding, Twitching
Requires 𝑂2 for growth Correct Ans-Obligate Aerobe
Facultative Anaerobe_ Correct Ans-Grows best in the presence of 𝑂2 but not essential
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 GOLDTUTORS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81989 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now