Micro Chapter 1 Quiz

Quizzes to study for final
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Tyndall and Cohn demonstrated the existence of ________-resistant forms of bacteria that could account for the growth of bacteria in heated infusions.
Heat
The experiments of Louis Pasteur refuted the theory of _________.
Spontaneous generation
___________ are single-celled prokaryotes that have peptidoglycan in their cell wall.
Bacteria
Microorganisms represent the most ________ forms of life on earth.
Diverse
Single-celled prokaryotes identical in appearance to bacteria which have no peptidoglycan in their cell-walls and can often grow in extreme environments are called ________.
Archaea
Each organism has a genus and ________ name.
Species
These non-living members of the microbial world are not compose of cells, but are obligate intracellular parasites.
Viruses
Microbial members of the Eucarya are the algea, fungi, and _____.
Protazoa
Viroids are composed of a single, short _________ molecule.
RNA
Organisms are named according to which system?
Binomial
Prions consist only of _________.
Protein
3 food products that are produced using microbes
1. Cheese
2. Wine
3. Beer
Microorganisms are excellent model organisms to study because they grow _______ on inexpensive media.
Rapidly
3 things bacteria are used to synthesize.
1. Antibiotics
2. Ethanol
3. Cellulose
Eucarya may be single celled or ________
Multicellular
Yeasts are _______.
Eucarya
Molds and mushrooms are __________.
Eucarya
Several chronic diseases such as ________ are caused by bacteria.
Ulcers
Sizes of members of the microbial world vary __________.
Enormously
Protazoa are _______ single-celled organisms
Motile
All organisms fall into 1 of 3 ______, based on their chemical composition and cell structure.
Domains
Microorganisms replenish the _________ on earth and break down waste materials.
Oxygen
Microorganisms follow the same genetic, metabolic, and ______ properties as higher organisms.
Biochemical
The activities of microorganisms are ________ for the survival of all other organisms, including humans.
Vital
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