100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Chapter 4 Microbiology UTA Questions And Answers With Verified Solutions Already Passed!!! ||Updated 2024 $11.49   Add to cart

Exam (elaborations)

Chapter 4 Microbiology UTA Questions And Answers With Verified Solutions Already Passed!!! ||Updated 2024

 6 views  0 purchase
  • Course
  • Microbiology UTA
  • Institution
  • Microbiology UTA

Chapter 4 Microbiology UTA Questions And Answers With Verified Solutions Already Passed!!! ||Updated 2024

Preview 2 out of 7  pages

  • August 11, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Microbiology UTA
  • Microbiology UTA
avatar-seller
classhub
Chapter 4 Microbiology UTA Questions
And Answers With Verified Solutions
Already Passed!!! ||Updated 2024
Appendages of bacteria: - ANSWER✔✔ flagella, fimbriae, and pilus


Appendages provide: - ANSWER✔✔ Motility (flagella & axial filaments) &
attachment points (fimbriae & pili)
-common, but not present in all


Flagella - ANSWER✔✔ -self propulsion, most commonly in aqueous environment
-found in more in spirilla & bacilli, less common in cocci
-extremely thin, observed through electron microscopy


Arrangements of flagella: - ANSWER✔✔ -Polar: monotrichous (1 polar end),
lophotrichous (multiple on 1 polar end), amphitrichous (both polar ends)
-Peritrichous (non-polar: it is located on the side of the organism instead of a
polar end)


Flagella structure: - ANSWER✔✔ -extensions from cell wall & membrane
-composed of proteins
-360˚ counterclockwise rotation
-receptors bind w/ molecules to active flagella (gradient of protons - H+)


Chemotaxis: - ANSWER✔✔ Use of flagella to respond to a chemical in the
environment

, -type of motion depends on chemicals


Run motion of chemotaxis/phototaxis: - ANSWER✔✔ Smooth linear direction
towards/away from chemicals


Tumble motion of chemotaxis/phototaxis: - ANSWER✔✔ Changing directions
causing to stop/reversal


Phototaxis: - ANSWER✔✔ Response to light


Axial filaments: - ANSWER✔✔ Periplasmic flagella, two or more long, coiled
threads
-wiggly motion
-between cell wall & membrane
-contraction tightens coil causing a roaring/twirling motion


Fimbria: - ANSWER✔✔ Small fibers sprouting rom bacteria cells
-function: attachment
-mostly protein
-important in biofilms
-contributes to pathogenesis (like pathogens, once its attached, it is hard to
remove)


Pilus: - ANSWER✔✔ Tubular extension
-main function: conjugation(transfer of DNA between bacteria cells

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 classhub. 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)

62890 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