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kinn's Chapter 55

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
antimicrobial agents   Drugs used to treat infection.  
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arthropods   Members of a class of invertebrate animals that includes insects, crustaceans, and arachnids.  
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broad-spectrum antimicrobial agents   Drugs used to treat a wide range of infectious microorganisms.  
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cysts   Small, capsule-like sacs that enclose certain organisms in their dormant or larval stage.  
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eukaryotes   Single-celled or multicellular organisms with cells that contain a distinct membrane-bound nucleus.  
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fastidious   Requiring specialized media or growth factors to grow.  
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flora   Microbes that live on or in the body that perform vital functions and protect the body against infection.  
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genus   A breakdown of a family of microorganisms.  
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interleukin   A protein produced by certain white blood cells that regulates immune responses by activating lymphocytes and initiating fever.  
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in vitro   Referring to conditions outside of a living body.  
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macromolecules   The molecules needed for metabolism: carbohydrates, lipids, proteins, and nucleic acids.  
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microorganisms   Organisms of microscopic or submicroscopic size.  
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molecules   Groups of like or different atoms held together by chemical forces.  
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nanometers   Units measuring 1 billionth (10-9) of a meter.  
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organelles   Differentiated structures within a cell (e.g., mitochondria, vacuoles, and chloroplasts) that perform a specific function.  
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pathogens   Disease-causing microorganisms.  
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prokaryote   A unicellular organism with cells that lack a membrane-bound nucleus.  
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prostaglandins   Chemicals released from cells that cause smooth muscle contraction and pain.  
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pure culture   A bacterial or fungal culture that contains a single organism.  
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species   A category of microorganisms that is below genus in rank; a genetically distinct group.  
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tissue culture   The technique or process of keeping tissue alive and growing in a culture medium.  
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transport medium   A medium used to keep an organism alive during transport to the laboratory.  
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turbidity   Cloudiness in a liquid caused by the presence of suspended particles; it increases with the concentration of particles present.  
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viable   Capable of living, developing, or germinating under favorable conditions.  
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wet mount   A slide preparation in which a drop of liquid specimen or the like is covered with a coverslip and observed with a microscope.  
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