Summary
Summary Microbiology EDUQAS A level
- Course
- Institution
Summary of EDUQAS BIOLOGY component 1: Microbiology
[Show more]
Seller
Follow
christielau
Content preview
spherical ( coccus )rod ( bacillus )
shape
spiral ( spirillum)
Gram positive
↳ thicker
↳ no
layer at
lipopolysaccharide
peptidoglycan
layer
] -
peptidoglycan
↳ crystal violet stain
peptidoglycan retains
violet stain
*
crystal
Gram negative
lipopolysaccharide
-
↳ thin layer of peptidoglycan
↳ has
lipopolysaccharide layer -
peptidoglycan
and
→ protect against penicillin lysozyme
* Safran in .
.
Condition for cell
growth
① nutrients :
glucose ,
nitrogen
④ water
③ temperature 125-4500
↳ 37°C mammalian
pathogens
↳ above 90°C ( thermophiles)
④ pH , optimum slightly alkaline
⑤ oxygen : -
obligate aerobe
-
facultative anaerobe
-
obligate anaerobes .
Aseptic technique
-
heat at 121°C for 15° in autoclave/ pressure cooker
-
benches → disinfect with 3% lysol
☒ incubate bacteria at 250C instead of 37°C
↳ pathogenic microorganisms .
Petri dishes should secured in
be with tape so
oxygen could get
-
* work wear Bunsen flame → air no microbes .
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 christielau. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.56. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
64438 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now