Microbiology Exam 1 Questions And Answers (Verified And Updated)
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Course
Microbiology
Institution
Microbiology
Microbiology Exam 1 Questions And
Answers (Verified And Updated)
Microorganisms(microbes) - answerorganisms that are too small to be seen with an unaided
eye
-bacteria, fungi(yeast&molds), protozoa, viruses, & microscopic algae
Naming& Classifying - answergenus& specific epithet(species name)
...
Microbiology Exam 1 Questions A nd Answers (Verified And Updated) Microorganisms(microbes) - answer✔✔organisms that are too small to be seen with an unaided eye -bacteria, fungi(yeast&molds), protozoa, viruses, & microscopic algae Naming& Classifying - answer✔✔genus& specific epithet(species name) italicized or underli ned genus= capitalized& specific epithet is lowercase Types of microorganisms - answer✔✔Bacteria, Archaea, Fungi, Protozoa, Algae, Viruses, Multi -cellular animal parasites, Prions Prokaryote - answer✔✔organisms without a nucleus Bacteria - answer✔✔Prokary otes Shapes: -bacillus -coccus -spiral Forms pairs, chains& clusters Peptidoglycan cell walls Reproduce: binary fission Energy: organic chemicals, inorganic chemicals or photosynthesis Many can swim with flagella Archaea - answer✔✔Prokaryotic No Peptid ogycan Live in extreme environments 3 main groups: - Methanogens: produce methane as waste product - Extreme Halophiles: live in extreme salty environments - Extreme Thermophiles: live in hot sulfurous waters Not parasitic Eukaryotes - answer✔✔organisms whose genetic material has a nucleus Fungi - answer✔✔Eukaryotes Chitin cell walls Organic chemicals for energy Molds& Mushrooms= multi -cellular have masses of mycelia, composed of hypae Yeasts are unicellular Reproduce s exually or asexually Protozoa - answer✔✔Unicellular eukaryotes ingest organic chemicals may be motile bc of pseudopods(false feet) cilia or flagella reproduce sexually or asexually Algae - answer✔✔Eukaryotes Cellulose cell walls abundant in fresh& sal t water environments Use photosynthesis for energy - produce molecular oxygen& organic compounds -utilizing by other organisms reproduce sexually or asexually Viruses - answer✔✔Very small, can be seen with an electron microscope Acellular Consist on D NA or RNA core surrounded by protein coat that may be enclosed in a lipid envelope Viruses are replicated only when they are in living host cell Multicellular Animal Parasites - answer✔✔Eukaryotes 2 Major Groups of Parasitic Worms: flatworms& roundworms Anton van Leeuwenhoek - answer✔✔described living microorganisms
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