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Micro B Chapter 1 Study Guide

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Micro B Chapter 1 Study Guide
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Chapter 1: The Main Themes of Microbiology 1. Define Microbiology.
The area of biology that deals with living things ordinarily too small to be seen without magnification. 2. Discuss the impact of microbes on earth.

3. List the 6 categories of microbes.
Bacteria – Ecoli
Viruses – Influenza
Fungi –Candida albicans
Protozoa –Entamoeba histolytica
Algae – Diatoms
Helminths -Tapeworm

4. Define Microbiology’s subcategories.
Bacteriology
Mycology
Protozoology
Virology
Parasitology

5. What are the major infectious diseases that cause death?
Influenza/Pneumonia
Septicimia (bloodstream infection)
Respiratory Infection
HIV/AIDS
Diarrheal Disease
Tuberculosis
Malaria

6. What are the 4 ranges of size for microbes and give an example of each.
Micrometer (µm) - Blood cell/amoeba/staphylococcus
Nanometer (nm) - AIDS virus/Hep B virus
Angstrom (Å) - Amino Acid/ Hydrogen atom

7 What is the history of the Microscope and who helped develop it?
Antonie van Leeuwenhoek, Dutch Linen Merchant. Started single lens microscope to see the threads better and developed an interest in animalcules in various things. Developed magnification to 300x. 8 What is the scientific method?
Hypothesis – deductive approach to test validity – theory- law.

9 What is Aseptic Technique and who established it?
Joseph Lister. Reducing microbes in a medical setting by disinfecting hands and air with strong antiseptic chemicals such as phenol prior to surgery.

10 Who discovered the germ theory of Disease and define it?
Louis Pastuer and Robert Koch. Human diseases could arise from infection. 11 Know your microbiology historic people.
Pasteur - Pasteurization, disprove spontaneous generation, aseptic lab
Koch- Koch postulates
Leeuwenhoek - microscope
Cohn and Tyndall - Sterile
Lister -Aseptic surgery

12 What is the proper classification for naming microorganisms?
Domain – kingdom –
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