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Ch. 13 Diversity of Microbes

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Across
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an organism, or infectious agent, that causes a disease
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without oxygen
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bacteria that evolved from early phototrophs and oxygenated the atmosphere; also known as blue-green algae
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a microbial community that is held together by a gummy-textured matrix
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a symbiotic relationship in which one member benefits while the other member is not affected
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_____ Death- devastating pandemic that is believed to have been an outbreak of bubonic plague caused by the bacterium Yersinia pestis
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one of a group of related organelles in plant cells that are involved in the storage of starches, fats, proteins, and pigments
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the use of microbial metabolism to remove pollutants
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the process by which prokaryotes move DNA from one individual to another using a pilus
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____ mat- a multi-layered sheet of prokaryotes that may include bacteria and archaea
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_____ vent- a fissure in Earth’s surface that releases geothermally heated water
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refers to organisms that grow without oxygen
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Gram-____- describes a bacterium that contains mainly peptidoglycan in its cell walls
Down
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amechanismofgeneticchangeinprokaryotesinwhichDNApresentintheenvironmentistakenintothe cell and incorporated into the genome
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a disease produce by the toxin of the anaerobic bacterium Clostridium botulinum
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the engulfment of one cell by another such that the engulfed cell survives and both cells benefit; the process responsible for the evolution of mitochondria and chloroplasts in eukaryotes
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an external structure that enables a prokaryote to attach to surfaces and protects it from dehydration
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an organism that lives on or in another organism and feeds on it, often without killing it
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an organism that grows under extreme or harsh conditions
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_____ disease- any illness resulting from the consumption of contaminated food, or of the pathogenic bacteria, viruses, or other parasites that contaminate food
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the process by which a bacteriophage moves DNA from one prokaryote to another
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a disease that occurs in an unusually high number of individuals in a population at the same time
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a widespread, usually worldwide, epidemic disease
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an organism that uses energy from sunlight
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(methicillin-resistant Staphylococcus aureus) a very dangerous Staphylococcus aureus strain resistant to antibiotics
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Gram-_____- describes a bacterium whose cell wall contains little peptidoglycan but has an outer membrane