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
MCB 2610 Exam 2 Questions And Answers Rated A+ New Update Assured Satisfaction £6.54
Add to cart
Quickly navigate to
Preview
  2.  
  3. MCB 2610
  4.  
  5. MCB 2610

Exam (elaborations)

MCB 2610 Exam 2 Questions And Answers Rated A+ New Update Assured Satisfaction
 0 purchase
  • Module
  • MCB 2610
  • Institution
  • MCB 2610

Bacteria shapes - Cocci, bacilli, vibrios (comma shaped), spirilla (spiral), pleiomorphic (various shapes) adherence molecules to stick to surfaces - - mediated by pili, fibers of pilin proteins possess other proteins on their tips for sticking - a sex pilus is used for conjugation - some micr...

[Show more]

Preview 3 out of 23  pages

Document information

  • August 23, 2024
  • 23
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • mcb 2610 exam 2

Written for

  • MCB 2610
  • MCB 2610

Seller

avatar-seller
PatrickKaylian

Reviews received

Content preview

MCB 2610 Exam 2.
Bacteria shapes - Cocci, bacilli, vibrios (comma shaped), spirilla (spiral), pleiomorphic (various
shapes)



adherence molecules to stick to surfaces - - mediated by pili, fibers of pilin proteins possess other
proteins on their tips for sticking

- a sex pilus is used for conjugation

- some microbes use an extension of the cell envelope tipped by a "holdfast" of paysaccharides



3 parts of flagella - - filament

- hook protein

- basal body



active transport - - all microorganisms



active transport - - energy dependent process

- move molecules against a gradient

- concentrates molecules inside cell

- specific carrier proteins



Adaptions of thermophiles - - Protein structure stabilized

- Histone-like proteins stabilize DNA

- Membrane stabilized (linkages)



Aerobes - Grow in the presence of oxygen



Aerotolerant anaerobes - Aren't harmed by oxygen, but don't use it either.

,Agar - Sulfated polysaccharide used to solidify liquid media (red algae)



Alcohols - - most widely used

- ethanol/isopropanol

- not sporicidal

- inactivate some viruses

- denature proteins and dissolve membrane lipids



Aldehydes - - formaldehyde/glutaraldehyde

- very reactive

- sporicidal

- chemical sterilants

- inactivate nucleic acids and proteins



All organisms require - Carbon, Hydrogen, Oxygen, and electrons



amphitrichous - one flagellum at each end of cell



Anaerobic - Growth occurs without oxygen



Anaerobic workstation - Incubator, work gloves, airlock



antimicrobial agents - agents that kill microorganisms or inhibit their growth

- cidal agents kill

- static agents inhibit growth



antiport example - - transport of sugars and amino acids in e coli while pumping sodium out

, antisepsis - - destruction or inhibition of microorganisms on living tissue

antiseptics



Antiseptics - Chemicals that can be used on living tissue to kill pathogenic microbes



Autoclave - pressure regulator, safety valve, steam jacket, steam supply, door gasket



Autotrophs - Assimilate carbon from inorganic sources



bacterial cell surface - - motility from flagella (spiral, hollow, rigid filaments extending form cell
surface)



bacterial cell wall - - peptidoglycan (murein)

- rigid structure just outside of the cell membrane

- gram positive/gram negative

- maintains shape, protects cell from osmotic lysis, protects from toxic material, contributes to
pathogenicity



Bacterial lipids - - very dynamic, saturation levels reflect environmental conditions

- lack sterols, but have sterol like molecules (hopanoids - stabilize membrane, found in petroleum)



bacterial taxonomy - standard binomial nomenclature

- species (group of strains charing common features)

- genus (group of closely related species)

- phylum, class, order, family, genus, species

- world federation for culture collections



Balanced growth - Cellular constituents manufactured at constant rates relative to each other

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 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 PatrickKaylian. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £6.54. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

69052 documents were sold in the last 30 days

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

Start selling

Recently viewed by you

Summary ·

(2)

Samenvatting Nevi 2 Publiek, deel 1

£6.54
  • (0)
Add to cart
Added