Quiz 1: The Main Themes of Microbiology Flashcards Preview

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Flashcards in Quiz 1: The Main Themes of Microbiology Deck (70)
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1

Microbiology

the study of organisms too small to be seen without magnification

2

What are the different branches of Microbiology?

Immunology, Public Health Microbiology and Epidemiology, Biotechnology, and Genetic Engineering and Recombinant DNA Technology

3

Prokaryotes

No nucleus; simple cells; microscopic; unicellular; lack membrane-bound organelles

4

Eukaryotes

has nucleus & membrane bound organelles; complex cells; unicellular & multicellular;

5

Viruses

acellular; parasitic particles composed of nucleic acid and protein

6

What are the 6 types of microbes?

Bacteria, Fungi, Algae, Virus, Protozoa, Helminths and Prions

7

Electron Microscope

uses electron as its source of light; used to detect a virus

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Light Microscope

uses light as a source

9

Nanometer

used to measure a virus

10

Micrometer

used to measure a bacteria

11

Nutrient Flow

the flow of energy and food through the earths ecosystem

12

Photosynthesis

Convert sun energy to chemical energy; Light fueled conversion of carbon dioxide to organic material

13

Decomposition

Breakdown of complex energy to be released as free energy; Breakdown of dead matter and wastes into simple compounds

14

Biotechnology

production of foods, drugs, and vaccines using living organisms

15

Genetic Engineering

Manipulating the genes of organisms to make new products

16

Bioremeditaion

using living organisms to remedy an environmental problem

17

Bacillus Thuringiensis

Infections are fatal to many insects but harmless to other animals including humans and to plants

18

How can Bacillus Thuringiensis be used to control pest?

the diamond shaped crystals are toxic to the pests when digested

19

________ live on or in the body of another organism called the _______ and it damages the host

parasites ; host

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normal microbiota

microbes normally present in and on the human body

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pathogens

microbes that do harm

22

Antonie Van Leeuwenhoek

first to observe microbes; single-lens magnified up to 300X; dutch linen merchant

23

Robert Hook

was the first to observe cells

24

Spontaneous Generation

forms of life could arise from vital forces present in nonliving or decomposing matter

25

Theory of Biogenesis

living things can only arise from other living things

26

Golden Age of Microbiology

1857-1914

27

Fermentation (Pasteur)

is the conversion of sugar to alcohol to make beer and wine; Invention of the cork

28

Pasteurization (Pasteur)

is the application of a high heat for a short time

29

Joseph Lister

founder of antiseptic medicine

30

Robert Koch

proved that a bacterium causes anthrax; Koch postulates; identified cholera