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Microbiology Fundamentals 4th Edition Cowan
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Microbiology Fundamentals 4th Edition Cowan
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Test Bank For Microbiology Fundamentals 4th Edition Cowan| 9781260702439 | All Chapters with Answers and Rationals
Microbiology - ANSWER: the specialized area of biology that deals with organisms too small to be
seen with the naked eye
Major groups of microorganisms - ANSWER: Bacteria
Algae
Protozoa
Helminths
Fungi
Viruses: noncellular, parasitic, protein-coated genetic elements
eukaryotes - ANSWER: Cells with a nucleus
prokaryotes - ANSWER: small cells, lacking special structures such as nucleus and organelles, all
procaryotes are microorganisms
What kind of photosynthesis do bacteria use and what does it mean? - ANSWER: anoxygenic
photosynthesis-
Anoxygenic photosynthesis is the phototrophic process where light energy is captured and converted
to ATP, without the production of oxygen. Water is therefore not used as an electron donor.
Photosynthetic microorganisms account for more than ____% of the earth's photosynthesis -
ANSWER: 70
Decomposition - ANSWER: Breakdown of dead matter and wastes
Accomplished by bacteria and fungi
Microbes are the main forces that drive: - ANSWER: the structure and content of soil, water, and
atmosphere.
Where is bacteria found? - ANSWER: deep in the earth's crust (most abundent), polar ice caps,
oceans, and inside the bodies of plants and animals
True/False: Microscopic organisms produce more oxygen than plants - ANSWER: True
True/False: More than 50% of the microbes on the planet live below the Earth's crust - ANSWER: True
Biotechnology: - ANSWER: manipulation of microorganisms to make products in an industrial setting
Genetic Engineering - ANSWER: manipulates the genetics of microbes, plants, and animals for the
purpose of creating new products and genetically modified organisms (GMOs)
Recombinant DNA technology - ANSWER: Techniques that allow the transfer of genetic material from
one organism to another and deliberately alter DNA
Bioremediation - ANSWER: introduction of microbes into the environment to restore stability or to
clean up toxic pollutants
Name three products produced by genetically modified organisms that benefit humans. - ANSWER:
drugs, hormones and enzymes
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