100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
FINAL EXAM: MCB 2610 Lab final Exam with Certified Solutions $12.99   Add to cart

Exam (elaborations)

FINAL EXAM: MCB 2610 Lab final Exam with Certified Solutions

 8 views  0 purchase
  • Course
  • MCB 2610
  • Institution
  • MCB 2610

FINAL EXAM: MCB 2610 Lab final Exam with Certified Solutions The ______ _______ method is a quick and easy way to isolate bacteria CORRECT ANSstreak plate In what orientation do you incubate the plates after they have been streaked? CORRECT ANS-agar half bottom

Preview 3 out of 19  pages

  • September 3, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MCB 2610
  • MCB 2610
avatar-seller
ExamRoom
FINAL EXAM: MCB 2610 Lab final Exam with Certified
Solutions
The ______ _______ method is a quick and easy way to isolate bacteria CORRECT ANS-

streak plate




In what orientation do you incubate the plates after they have been streaked? CORRECT

ANS-agar half bottom




What must you do to the loop before every use? CORRECT ANS-flame it




T/F: The last thing you do before leaving the lab is take off your lab coat CORRECT ANS-

false




streaked plate method CORRECT ANS-culture is spread out on agar to make isolated

colonies




solid media (agar plates) CORRECT ANS-used to isolate bacteria




liquid culture media (broth) CORRECT ANS-used to grow cells to high densities

, FINAL EXAM: MCB 2610 Lab final Exam with Certified
Solutions

T/F: When making a smear of the culture, you heat fix the slide before air drying it completely

CORRECT ANS-false




What is the magnification value of the ONLY objective that should come in contact with

immersion oil? CORRECT ANS-100x




Pertaining to the Gram stain, cells that retain the primary stain and appear purple are said to

be Gram CORRECT ANS-positive




What cellular structure does the counterstain safranin stain? CORRECT ANS-outer

membrane




direct stain CORRECT ANS-stains the organism itself




indirect or negative stain CORRECT ANS-stains the background

, FINAL EXAM: MCB 2610 Lab final Exam with Certified
Solutions
simple stain CORRECT ANS-use only one stain to determine cell morphology, size and

arrangement




Gram staining stains the cell __________, while spore staining stains for __________.

CORRECT ANS-cell envelope, endospores




Gram Positive cell characteristics CORRECT ANS-thick peptidoglycan layer, retains crystal

violet, no outer membrane




Gram Negative cell characteristics CORRECT ANS-thin layer of peptidoglycan, doesn't retain

crystal violet, has outer membrane, safranin counterstains membrane pink




Gram stain steps and time CORRECT ANS-1. crystal violet, 1 minute, 2. iodine, 1 minute, 3.

ethanol, 15-30 seconds, 4. safranin, 30 seconds




Why do bacteria form endospores? CORRECT ANS-under environmental stress




In a spore stain, endospores retain _________ (what color). CORRECT ANS-malachite green

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 ExamRoom. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

82215 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
$12.99
  • (0)
  Add to cart