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vocabulary

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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Question
Answer
virus   A tiny, non-living particel that invades and then reproduces inside a living cell.  
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host   An organism that provides a source of energy or suitable environment for a virus or another organism to live  
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parasite   An organism that lives on or in a host and cause harm to the host  
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bacteriophage   A virus that infects bacteria  
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bacteria   single-celled organism that lack a nucleus  
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cytoplasm   the region of a cell located inside the cell membrane or between the cell membraneand nucleus; contains an gel-like material  
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ribosome   a tiny structure located in the cytoplasm of a cell where protiens are produced  
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flagellum   A long whiplike structure that helps a cell to move  
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respiration   The process of the breaking down food its energy  
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binary fission   a form of asexual reprouduction in which one cell  
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asexual reproduction   a reproductive process involes only one parent and produces offspring that are identical to the parent  
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sexual reproduction   a reproductive process that involes two parents that combine their genetic material to produce a new organism, which differs from both parents  
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conjugation   The process in which a unicellular organism transfers some of its genetic materialto another unicellular organism  
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endospore   a small, rounded, thick-walled, resting cellthat forms inside a bacteria cell  
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pasteurization   a process of heating food to a temperature that is high enough to kill most harmful bacteria without changing the tast of the food  
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decomposer   an organism that breaks down chemicals from dead organisms and returns important materials to the soil and water  
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infectious disease   an illness that can pass from one organism to another  
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toxin   a poison that can harm an organism  
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antibiotic   a chemical that can kill bacteria without harming a person's cell  
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antibiotic resistance   The ability of bacteria to withstand the effects of antibiotic  
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vaccine   a substance introduce into the body to stimulate the production of chemicals that destroy specific disease-causing viruses and organisms  
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