Exam (elaborations)
BIOS 255- Final Exam review Questions and Answers
- Course
- Institution
BIOS 255- Final Exam review Questions and Answers
[Show more]
Content preview
BIOS 255- Final Exam review Questions and AnswersTaxonomic Hierarchy Correct Ans-Domain, Kingdom, Phylum, Class, Order, Family, Genus,
Species
Scientific Nomenclature Correct Ans-Carlos Linnaeus, system gives every organism 2
names which include the genus and the species
Agar Correct Ans-a gel-like polysaccharide compound used for culturing microbes;
extracted from certain red algae __is the solidifying agent in media, but by itself has no
nutritive value
Culture Correct Ans-The observable growth of the microorganism in or on the medium is
considered to be the __
media Correct Ans-The environment in which it is placed is called a ___ (liquid or solid)
, BIOS 255- Final Exam review Questions and Answers
colony Correct Ans-The attempt to cause the growth of a single cell to, in turn, grow into
an entire ____ (single mound of cells) of the exact same kind of cell
alpha hemolysis Correct Ans-partial/incomplete lysis of red blood cells with dark greenish-
brown zones around colonie
beta hemolysis Correct Ans-total lysing of rbc's with clear zones around colonies
gamma hemolysis Correct Ans-no lysing of rbc's with agar remaining red around colonie
Morphology Correct Ans-(Shape):
1. Bacillus or bacilli - "rod-shaped."
2. Coccus or cocci - "round".
3. Spiral - "twisting" (three types).
, BIOS 255- Final Exam review Questions and Answers
arrangement of bacillus Correct Ans-bacillus,
diplobacillus,
streptobacillus, and
palisades.-side to side
Arrangements of Cocci Correct Ans-coccus,
diplococcus,
streptococcus,
staphylococcus,
tetrad, 4
sarcinae. 8
Spiral Arrangements: Correct Ans-Do not take on any particular arrangements. Always
singular.
, BIOS 255- Final Exam review Questions and Answers
Spiral Morphology Correct Ans-vibrio ) or (
spirillum helical
spirochete corkscrew
Haloarcula Correct Ans-rectangular shaped bacteria
peptoglycan Correct Ans-protein and sugar that make up bacteria cell walls
Gram staining reactions Correct Ans-Gram positive(+) cells - contain cell walls (primarily
peptidoglycan) that are very thick. PURPLE
Gram negative(-) cells - contain cell walls (peptidoglycan) that are very thin. PINK/RED
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 $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
62890 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
