100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
BIO 251 Final Exam Questions and Correct Answers the Latest Update and Recommended Version $12.49   Add to cart

Exam (elaborations)

BIO 251 Final Exam Questions and Correct Answers the Latest Update and Recommended Version

 2 views  0 purchase
  • Course
  • Bio 251
  • Institution
  • Bio 251

BIO 251 Final Exam Questions and Correct Answers the Latest Update and Recommended Version

Preview 4 out of 39  pages

  • October 30, 2024
  • 39
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Bio 251
  • Bio 251
avatar-seller
TestTrackers
TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!



BIO 251 Final Exam Questions and Correct
Answers the Latest Update and
Recommended Version
Which of the following pieces of evidence would argue AGAINST the theory of spontaneous

generation?

A. When a sterile bottle of broth is sealed against the air, no microbes grow. However, when

it is unsealed and exposed to air, microbes grow rapidly.

B. Whether or not broth grows microbes depends on how the broth was prepared.

C. All meat left uncovered will eventually produce maggots, regardless of whether or not the

meat has been cooked.

D. Microbial cells can grow in a wide variety of environments.

✓ A. When a sterile bottle of broth is sealed against the air, no microbes grow. However,
when it is unsealed and exposed to air, microbes grow rapidly.



✓ Correct - A sealed broth bottle would have no access to outside organisms. If nothing
grows than this would support that microbes are generated by other microbes or living
organisms



Who is credited as the first person to discover microbes.

A. Antony van Leeuwenhoek

B. Josh Stomel

C. Francesco Redi

D. Luis Pasture

|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]

, TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!


✓ A. Antony van Leeuwenhoek



✓ Correct- Leeuwenhoek first observed microbes in 1675



Most bacteria are pathogens

True

False

✓ False



The discovery of bacterial endospores explains why many scientists had difficulty replicating

Pasture's crooked bottle experiment.

True

False

✓ True



Who is considered the father of modern microbiology

A. Antony von Leeuwenhoek

B. Robert Hooke

C. Luis Pasture

D. John Needham




|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]

, TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!


✓ C. Luis Pasture



✓ Correct - Pasture not only disproved spontaneous generation, he developed the process of
pasteurization, developed the first vaccine (or maybe stole it), and studied fermentation.
It can truly be said that before Pasture, microbiology was not a modern science



Which of the following features could be considered virulence factors? (select all that apply)

A. Inclusion bodies

B. Plasma membrane

C. Glycocalyx

D. Fimbria

E. Nucleoid

✓ C. glycocalyx

✓ D. fimbria



Which of the following statements is TRUE?

A. Most bacteria that contain capsules are gram+.

B. Bacteria growing in a biofilm are unlikely to respond well to standard antibiotic treatment.

C. Bacteria that grow as clusters are more likely to be pathogenic than bacteria that grow as

chains.

D. Eukaryotes contain DNA chromosomes while prokaryotes do not.




|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]

, TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!


✓ B. Bacteria growing in a biofilm are unlikely to respond well to standard antibiotic
treatment.



✓ True, biofilms help shield the reproductive core of bacteria from the effects of antibiotics



All bacteria contain a flagella

True

False

✓ False



A patient comes into the emergency room with high fever, chills, and a two day old stab

wound to the lower abdomen. Culturing the patient's blood yields the following gram stained

bacteria. Based on this result, what common complication would you need to worry about?

*Image of streptobaccillus stained pink

A. Endotoxic shock

B. Pneumonia

C. Immune suppression

D. Bacterial meningitis

✓ A. Endotoxic shock



✓ Correct, these cells are gram- and therefor have the endotoxin LPS



Which of the following structures would NOT be found in a bacterial cell?

|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]

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 TestTrackers. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67096 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
$12.49
  • (0)
  Add to cart