Exam (elaborations)
MIC 205 Exam 1 – 102 Questions And Answers (ASU Lisenbee MIC 205)
MIC 205 Exam 1 – 102 Questions And Answers (ASU Lisenbee MIC 205)
[Show more]
Content preview
MIC 205 Exam 1 – 102 Questions AndAnswers (ASU Lisenbee MIC 205)
Antoni van Leeuwenhoek - - "Father of Protozoology" and
"Father of Bacteriology"
-Examined water and visualized tiny animals, fungi, algae, and
single celled protozoa; "animalcules"
- Carolus Linnaeus - - Grouped the 5 categories of microorganisms
- 5 categories of microorganisms - - -Small animals
- Fungi
- Protozoa
- Algae
- Prokaryotes
- Fungi - - eukaryotic, cell walls, get food from other organisms (mold,
yeast)
- Protozoa - - single celled eukaryotes, live in animal hosts
- Locomotion in Protozoa - - psudopodia
cilia
flagella
- Algae - - (unicellular or multicellular) Photosynthetic, categorized by
pigmentation, storage products, and cell wall
- Prokaryotes - - unicellular, NO nuclei
reproduce asexually
2 kinds- bacteria & archaea
- Viruses - - NOT cells, made of protein and DNA/RNA
require a host for replication
- Principles of microscopy - - wavelength, refraction/magnification,
resolution/contrast
- Refraction - - bending of light (radiation)
- Magnification - - perceived enlargement of an image
- Resolution - - capability of distinguishing between 2 adjacent objects
, - Contrast - - difference in intensity between 2 objects or an object and a
background
- Electron microscope limits - - can see proteins, ribosomes, viruses
- Light microscope limits - - hard to see viruses but can see cells
- Dark field microscope - - light against dark background
- Phase contrast microscopes - - 3D against gray background
- Fluorescence microscope - - colored against black background
- Confocal microscopes - - removes out of focus light, can be stacked to
make a 3D image
- Electron Microscopes - - view bacteria, viruses, internal cell structure,
molecules and large atoms
- Transmission electron microscope - - Cross sections of cells/viruses to see
internally
- Scanning electron microscopes - - surface views of organisms
- Scanning probe microscopes - - see single molecules and large atomic
clusters
- Staining - - increase contrast and resolution with dyes
-simple, differential, special
- Gram stain - - differential stain
1. crystal violet (purple dye)
2. iodine (mordent)
3. alcohol (decolorize)
4. safranin (red dye)
- Gram stain turns gram positive what color? - - Purple
- Gram stain turns gram negative what color? - - Pink
- Domains of basic types of cells - - eukarya
bacteria
archaea
- Prokaryotes - - no nucleus, bacteria and archaea
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 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 Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £8.08. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75619 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now