100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
BIOL 2460 LAB PRACTICAL 2 QUESTIONS AND CORRECT ANSWERS $8.99
Add to cart
Quickly navigate to
Preview
  2.  
  3. BIO 2460
  4.  
  5. BIO 2460

Exam (elaborations)

BIOL 2460 LAB PRACTICAL 2 QUESTIONS AND CORRECT ANSWERS
 1 purchase
  • Course
  • BIO 2460
  • Institution
  • BIO 2460

A bacterial species that cannot tolerate the presence of oxygen and will only grow in the absence of oxygen is classified as a. obligate aerobe b. obligate anaerobe c. facultative aerobe d. mcroaerophile e. aerotolerant anaerobe b A bacterial isolate is subcultured to two blood agar plates, one o...

[Show more]

Preview 2 out of 7  pages

Document information

  • October 1, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • biol 2460 lab practical 2 questions and correct an
  • a bacterial species that cannot tolerate the prese
  • a bacterial isolate is subcultured to two blood ag

Written for

  • BIO 2460
  • BIO 2460

Seller

avatar-seller
twishfrancis

Reviews received

Content preview

BIOL 2460 LAB PRACTICAL 2
QUESTIONS AND CORRECT ANSWERS
A bacterial species that cannot tolerate the presence of oxygen and will only grow in the
absence of oxygen is classified as

a. obligate aerobe
b. obligate anaerobe
c. facultative aerobe
d. mcroaerophile
e. aerotolerant anaerobe ✅b

A bacterial isolate is subcultured to two blood agar plates, one of which is incubated in
an anaerobe jar, and the other is incubated on a shelf in the incubator. After incubation,
growth is observed on the plate from the anaerobe jar, but there is no growth on the
plate incubated on the incubator shelf. Based on these results, how would this organism
be categorized?

a. obligate aerobe
b. obligate anaerobe
c. aerotolerant anaerobe
d. facultative anaerobe ✅b

Where would you predict an obligate anaerobe would grow in a tube of fluid
thioglycollate medium?

a. at or very near the surface of the broth
b. a little below the surface of the broth
c. throughout the entire tube
d. at the bottom of the tube ✅d

The pink color in the top of the broth in an FTM tube indicates

a. the absence of oxygen
b. the presence of carbon dioxide
c. the presence of oxygen
d. the presence of thioglycollate ✅c

Taq polymerase is a DNA polymerase enzyme that demonstrates maximal activity at 72
C. The organism from which this enzyme was isolated would most likely be classified as
a:

a. psychrotroph
b. psychrophile

, c. mesophile
d. thermophile
e. hyperthermophile ✅d

Both human pathogens and normal microbiota are typically classified as

a. psycrophiles
b. thermophiles
c. mesophiles
d. hyperthermophiles ✅c

The higher the pH the more ___ the environment.

a. acidic
b. alkaline
c. neutral
d. hypotonic ✅b

Acetobacter aceti is a bacterial species involved in the production of acetic acid during
vinegar production. Which category would this

a. neutrophile
b. acidophile
c. akalinophile ✅a

Microorganisms that can grow at salt concentrations as high as 15-30% are known as

a. halotlerant
b. halophiles
c. hypertoniphiles
d. osmophlles ✅b

An experiment involves the inoculation bacteria into a variety of media with NaCl
concentrations ranging from 1% to 25%

a. 1% NaCl
b. 5% NaCl
c. 10% NaCl
d. 25% NaCl ✅a

Plasmolysis is the ___ of a bacterial cell in a ___ solution.

a. swelling...hypertonic
b. swelling...hypotonic
c. shrinking...hypertonic

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 twishfrancis. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $8.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

64670 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling

Recently viewed by you

Exam (elaborations) ·

(0)

PORTAGE LEARNING BIOD 121 NUTRITION MODULE 1 PROBLEM SET EXAM

Exam (elaborations) ·

(0)

Exam Prep: ATI Fundamentals Questions with 100% Correct Answers
$8.99  1x  sold
  • (0)
Add to cart
Added