100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
(Portage) BIOD171 Essential Microbiology Final Exam Guide . $11.49   Add to cart

Exam (elaborations)

(Portage) BIOD171 Essential Microbiology Final Exam Guide .

 1 view  0 purchase

(Portage(Portage) BIOD171 Essential Microbiology Final Exam Guide .(Portage) BIOD171 Essential Microbiology Final Exam Guide .) BIOD171 Essential Microbiology Final Exam Guide .

Preview 3 out of 27  pages

  • September 2, 2024
  • 27
  • 2024/2025
  • Exam (elaborations)
  • Unknown
All documents for this subject (10)
avatar-seller
emiliophd
BIOD171



Essential Microbiology




FINAL EXAM GUIDE




© Portage 2024/2025

, 1. Which of the following statements correctly describes biofilms?
A) They are unicellular organisms.
B) They consist of aggregated cells encased in a matrix.
C) They are exclusively composed of prokaryotic cells.
D) They are always harmful to the host.
Answer: B
Rationale: Biofilms are communities of microorganisms that
attach to surfaces and are embedded in a self-produced matrix,
allowing for enhanced survival and resistance to antibiotics.


---


2. The scenario analysis of a new vaccine design against a bacterial
pathogen relies heavily on which of the following immune
responses?
A) Innate immunity
B) Humoral immunity
C) Cell-mediated immunity
D) Both humoral and cell-mediated immunity
Answer: D
© Portage 2024/2025

, Rationale: Effective vaccines elicit both humoral (antibody
production) and cell-mediated immune responses for stronger,
longer-lasting immunity.


---


3. In a laboratory experiment, a bacterium is observed producing
toxin only in the presence of a specific host tissue. This is an
example of:
A) Commensalism
B) Opportunistic infection
C) Pathogenicity
D) Symbiosis
Answer: C
Rationale: Pathogenicity refers to the ability of an organism to
cause disease, often requiring specific interactions with host tissues.


---


4. You are studying the effect of ultraviolet light on microbial
DNA. Which mechanism primarily repairs UV-induced DNA
damage in bacteria?
A) Photoreactivation
© Portage 2024/2025

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 emiliophd. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $11.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75632 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$11.49
  • (0)
  Add to cart