BIOS 242 Week 4 Midterm Study Guide: Summer 2021
BIOS 242 Week 4 Midterm Study Guide: Summer 2021
Microbiology:
Midterm
• Specialized area of biology that studies living things too to be seen without magnification
5 Groups of microorganisms:
1. Bacteria 2. Viruses 3. Protozoa
4. Helminths ...
Midterm
Microbiology:
• Specialized area of biology that studies living things too small
to be seen without magnification
5 Groups of microorganisms:
1. Bacteria
2. Viruses
3. Protozoa
4. Helminths tapeworms, round worm, flukes
5. Fungi
Eukaryotes:
• HAS nucleus
• Fungi, protozoa, algae
Prokaryotes:
• NO nucleus
• Bacteria and archaea
Bacteria is Ubiquitous: present everywhere at the same time
Decomposition:
• The breakdown of dead matter accomplished by bacteria and fungi
Louis Pasture:
• Invented pasteurization High heat to get rid of most bacteria Beer, Wine, Cheese
• Proved spontaneous generation FALSE and proved biogenesis TRUE
• Showed that human disease can arise from infection
Koch’s Postulate KNOW THIS FOR ESSAY QUESTION
• Koch Linked specific organism with specific disease
• Leuwenhoek founded the microscope which helped him look at the organisms
• Pasture-
Types of microscopes:
1. Compound microscope: learning and research we use these in lab
2. Scanning Electron Microscope SEM: 3D look at surface of a cell membrane and morphology
3. Transmission Electron Microscope TEM: 2D high magnification to see internal structures of sample
Selective Media:
• Nutrient media designed to favor growth of certain microbes and keep out unwanted competitors
Differential Media:
• Allows multiple types of organisms to grow but are designed to visibly display the differences
between specimens
Viruses:
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 JHuggard. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
