100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
MCB 2610 Lab final Question and answers already passed 2024/2025 $13.99   Add to cart

Exam (elaborations)

MCB 2610 Lab final Question and answers already passed 2024/2025

 0 view  0 purchase
  • Course
  • MCB 2610
  • Institution
  • MCB 2610

MCB 2610 Lab final Question and answers already passed 2024/2025 MCB 2610 Lab final The ______ _______ method is a quick and easy way to isolate bacteria - correct answer streak plate In what orientation do you incubate the plates after they have been streaked? - correct answer agar ha...

[Show more]

Preview 2 out of 13  pages

  • October 17, 2024
  • 13
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MCB 2610
  • MCB 2610
avatar-seller
Academia199
MCB 2610 Lab final
The ______ _______ method is a quick and easy way to isolate bacteria -
correct answer ✔streak plate


In what orientation do you incubate the plates after they have been streaked?
- correct answer ✔agar half bottom


What must you do to the loop before every use? - correct answer ✔flame it


T/F: The last thing you do before leaving the lab is take off your lab coat -
correct answer ✔false


streaked plate method - correct answer ✔culture is spread out on agar to
make isolated colonies


solid media (agar plates) - correct answer ✔used to isolate bacteria


liquid culture media (broth) - correct answer ✔used to grow cells to high
densities


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


What is the magnification value of the ONLY objective that should come in
contact with immersion oil? - correct answer ✔100x

, Pertaining to the Gram stain, cells that retain the primary stain and appear
purple are said to be Gram - correct answer ✔positive


What cellular structure does the counterstain safranin stain? - correct answer
✔outer membrane


direct stain - correct answer ✔stains the organism itself


indirect or negative stain - correct answer ✔stains the background


simple stain - correct answer ✔use only one stain to determine cell
morphology, size and arrangement


Gram staining stains the cell __________, while spore staining stains for
__________. - correct answer ✔cell envelope, endospores


Gram Positive cell characteristics - correct answer ✔thick peptidoglycan
layer, retains crystal violet, no outer membrane


Gram Negative cell characteristics - correct answer ✔thin layer of
peptidoglycan, doesn't retain crystal violet, has outer membrane, safranin
counterstains membrane pink


Gram stain steps and time - correct answer ✔1. crystal violet, 1 minute, 2.
iodine, 1 minute, 3. ethanol, 15-30 seconds, 4. safranin, 30 seconds


Why do bacteria form endospores? - correct answer ✔under environmental
stress

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 Academia199. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

79835 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
$13.99
  • (0)
  Add to cart