microbiology EXAM A+ GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSWERS

EXAM

Exam Solution
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Microbiology Exam 1 Chapters 1 3 4 5 6 Karteikarten 2 ms ms ms ms ms ms ms ms ms ms




026 A+ GRADE ASSURED COMPLETE SOLUTIONS AND V
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ERIFIED ANSWERS (23334) ms ms




QUESTION 1 ms




Microorganisms(microbes)
ANSWER

organisms that are too small to be seen with an unaided eye -
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bacteria, fungi(yeast&molds), protozoa, viruses, & microscopic algae
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QUESTION 2 ms




Naming& Classifying ms




ANSWER

genus& specific epithet(species name) italicized or underlined genus= capitalized& specific epithet is
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lowercase



QUESTION 3 ms




Types of microorganisms
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ANSWER

Bacteria, Archaea, Fungi, Protozoa, Algae, Viruses, Multi-cellular animal parasites, Prions
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QUESTION 4 ms




Prokaryote
ANSWER

organisms without a nucleus
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,QUESTION 5 ms




Archaea
ANSWER

Prokaryotic No Peptidogycan Live in extreme environments 3 main groups: -
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Methanogens: produce methane as waste product -
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Extreme Halophiles: live in extreme salty environments -
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Extreme Thermophiles: live in hot sulfurous waters Not parasitic
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QUESTION 6 ms




Eukaryotes
ANSWER

organisms whose genetic material has a nucleus
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QUESTION 7 ms




Fungi
ANSWER

Eukaryotes Chitin cell walls Organic chemicals for energy Molds& Mushrooms= multi-
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cellular have masses of mycelia, composed of hypae Yeasts are unicellular Reproduce sexually or ase
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xually



QUESTION 8 ms




Viruses
ANSWER

Very small, can be seen with an electron microscope Acellular Consist on DNA or RNA core surroun
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ded by protein coat that may be enclosed in a lipid envelope Viruses are replicated only when they
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are in living host cell
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QUESTION 9 ms




Multicellular Animal Parasites ms ms




ANSWER

Eukaryotes 2 Major Groups of Parasitic Worms: flatworms& roundworms
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, QUESTION 10 ms




Anton van Leeuwenhoek
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ANSWER

described living microorganisms made detailed drawings of "aniimalcules" from rainwater, feces& ma
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terial from plague
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QUESTION 11 ms




Spontaneous Generation ms




ANSWER

living organisms arise from non-living matter; vital force forms life
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QUESTION 12 ms




Biogenesis
ANSWER

living organisms arise from preexisting life
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QUESTION 13 ms




Louis Pasteur ms




ANSWER

Proved microorganisms are present in air with S-
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shaped flask proved microbes are responsible for fermentation Microbial growth is also responsible f
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or spoilage of food Bacteria could be killed by heats that was hot enough to evaporate alcohol in wi
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ne



QUESTION 14 ms




Pasteur's S-shaped Flask ms ms




ANSWER

kept microbes out but let air in - discovers from basis of aseptic technique -
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showed microbes can live on nonliving surfaces Proved biogenesis
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QUESTION 15 ms




Pasteur's Work ms