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31 Cards in this Set
- Front
- Back
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A ____________ is a tiny single cellular organism that is known to be the first form of life on earth and can only be seen with a microscope.
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Microbe
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A microbe that causes harm to it's host is known as a ___________________________.
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Parasite
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What is a disease causing microbe?
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Pathogen
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Some microbes are helpful. What are some ways microbes can help in the human body?
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-aid in digestion -immune development -protect skin & mucous membranes |
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Name some ways that microbes are vital to the health of the environment.
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Photosynthesis & Decomposition
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Two types of ways that microbes aid in food production are __________ and _______________.
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Fermentation and Pasteurization
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Microbes being used to help in cleaning up messes is known as ___________________.
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Bioremediation
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What is a prokaryote?
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A tiny microbe with no nucleus or membrane bound organelles
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Where is the DNA in a prokaryote?
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Free floating in the cytoplasm.
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The first microbe to ever exist, that survive in the harshest environments are known as _________.
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Archaens
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A microbe that has membrane bound organelles and DNA that is enclosed in it's nucleus are called _______________.
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Eukaryotes. |
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Name some types of Eukaryotes |
-fungi -algae -protozoa -helminthes (parasitic worms) |
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A ______________________ is an acellular microbe with no cells that undergoes very few life processes. |
Virus |
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Bacteria has cell walls that are made of _____________________.
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Peptidoglycan |
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How do bacteria reproduce?
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Binary fission |
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A eukaryote that has cell walls made up of chitin and uses organic chemicals for energy are called ______________. |
Fungi
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A protozoa is a eukaryote that _______________ organic chemicals and may be motile via ________________, _____________________, or _____________________.
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-ingests/absorbs -cilia, flagella, pseudopods |
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A eukaryote who's cell walls are made of cellulose and undergoes photosynthesis is a _________________________.
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Algae |
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Viruses have a core made up of DNA or RNA and is surrounded by a ____________________ then enclosed in ________________.
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-protein coat -envelope |
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The germ theory states what? |
That germs are believed to make people sick. |
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Before the germ theory was suggested, it was believed that microorganisms generated on their own, a theory known as _______________________. |
Spontaneous generation |
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Who disproved spontaneous generation? |
Francesco Redi |
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____________________ developed a theory in 1858 that stated all cells arise from preexisting cells and that all living things were made up of cells, a theory known as _____________________.
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Rudolf Virchow; Cell theory
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Before Rudolf Virchow presented his cell theory, ________________ first reported that living things were composed of cells (little boxes) in 1665.
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Robert Hooke |
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The first person associated with antiseptics, with his use of carbolic acid was ____________________.
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Joseph Lister |
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Who was the man who used a lens to describe and draw live mircroorganisms that he found from teeth scrapings and rain water?
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Antoni Van Leeuwenhock |
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______________________ repeated the "broth experiment" using an S shaped flask that kept microbes out, helping to disprove spontaneous generation. |
Louis Pasteur |
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Robert Koch showed how different diseases had specific causes using Koch's four _____________. |
Postulates |
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Who was the father of immunology, and developed the first small pox vaccine? |
Eduard Jenner |
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Who discovered penicillin?
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Alexander Flemming |
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What two men first began mass producing penicillin?
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Florey and Chain |
