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MICROBIOLOGY 210 EXAM 1- LATEST UPDATED
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MICROBIOLOGY 210 EXAM 1- LATEST UPDATED...
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Microorganisms - ANSWER Too small to be seen with the unaided eyeGerm - ANSWER Refers to rapidly growing cells; Few are pathogenic
Pathogenic - ANSWER This means disease-causing
Prokaryotes - ANSWER These do not have a nucleus
Eukaryotes - ANSWER These have a nucleus
Decomposers, Producers, Chemicals such as Ethanol, Fermented
Foods, Manufacturing, Disease Treatment - ANSWER What are the
functions of microbes?
Genus and Specific Epithet - ANSWER How do we classify
microorganism names? (Each has 2 names)
Escherichia Coli - ANSWER Theodore Escherich discovered this;
Describes its habits-the large intestine or colon
Staphylococcus - ANSWER Describes the clustered spherical cells;
Describes gold color colonies
Morphology - ANSWER This means shape
Bacteria - ANSWER Prokaryotes; Different shapes/sizes; Peptidoglycan
cell walls; Binary Fission; For energy use organic chemicals, inorganic
chemicals, or photosynthesis
Archaea - ANSWER Prokaryotic; Lack peptidoglycan; Live in extreme
places (volcanoes, ice cores)
Fungi - ANSWER Eukaryotes; Chitin cell walls (sugar derivative); Use
organic chemicals for energy
, Molds/Mushrooms - ANSWER Are multicellular, consisting of masses of
mycelia, composed of filaments called hyphae
Protozoa - ANSWER Eukaryotes; Absorbs or ingests organic chemicals;
Maybe motile via pseudopods, cilia, flagella; Can be photosynthetic
using light to make energy and CO2 to produce sugar
Algae - ANSWER Eukaryotes; Cellulose cell walls; Photosynthesis for
energy; Produce molecular oxygen and organic compounds
OSE - ANSWER Ending in this means sugar
ASE - ANSWER Ending in this means enzyme
Viruses - ANSWER Acellular; Consists of DNA/RNA; Core surrounded
by protein coat; Coat maybe enclosed in lipid envelope; Replicated only
when they live in host cell
Bacteria, Archaea, Eukarya - ANSWER What are the classifications of
microorganisms?
Endosymbiant Theory - ANSWER Bacteria developed the ability to make
own energy, and eukaryotes develop a symbiotic relationship with other
organisms
Spontaneous Generation - ANSWER Hypothesis that living organisms
arise from nonliving matter; a "vital force" forms life
Biogenesis - ANSWER Hypothesis that living organisms arise from
preexisting life
Microbes - ANSWER Pasteur's S-shaped flask kept what out but let air
in?
Heat - ANSWER Pasteur's S-shaped flask also showed that microbial
life can be destroyed by what? Which results in blocking from
contaminating a solution.
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