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21 Cards in this Set
- Front
- Back
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Virus
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A tiny, nonliving particle that invades and then reproduces inside a living cell
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Host
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An organism that provides a source of energy or a suitable environment for a virus or another organism to live
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Parasite
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An organism that lives inside or on another organism and takes food from the organism in or on which it lives
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Bacteriophage
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A virus that infects a bacteria
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Bacteria
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Single-celled organisms that lack a nucleus
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Binary Fission
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A form of asexual reproduction in which one cell divides to form two identical cells.
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Asexual reproduction
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A reproductive process that involves only one parent and produces offspring that are identical to the parent.
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Antibiotic
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A chemical that can kill bacteria without harming a person’s cells.
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Antibiotic Resistance
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The ability of bacteria to withstand the effects of an antibiotic
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Cytoplasm
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The region between the cell membrane and the nucleus
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Conjugation
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The process in which a unicellular organism transfers some of its genetic material to another unicellular organism.
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Endospore
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A small, rounded, thick-walled, resting cell that forms inside a bacterial cell
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Flagellum
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A long, whiplike structure that helps a cell to move
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Ribosome
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A tiny structure located in the cytoplasm of a cell where proteins are produced
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Respiration
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The process of breaking down food to release its energy
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Sexual Reproduction
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A reproductive process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents
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Pasteurization
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A process of heating food to a temperature that is high enough to kill most harmful bacteria without changing the taste of the food
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Toxin
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A poison that can harm an organism.
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Vaccine
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A substance introduced into the body to stimulate the production of chemicals that destroy specific disease-causing viruses and organisms.
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Infectious Disease
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An illness that can pass from one organism to another. (contagious)
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Decomposer
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An organism that breaks down chemicals from dead organisms and returns important materials to the soil and water
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