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Blume ch.7 25-40

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Question
Answer
Bacteria that cause disease are called?   Pathogens  
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______,or poisons, are made by some bacterial pathogens.   Toxins  
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Some pathogens form thick walled structures called_________when environmental conditions are unfavorable; thus, they can survive for very long time periods.   Endospores  
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______can prevent some bacterial infections.   Vaccines  
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Vaccines are made from damaged or_______Bacterial cells.   dead  
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Once injected, vaccines enable______blood cells in the body to recognize a particular type of bacteria and attack it if it appears at a later time.   White  
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Describe the process of pasteurization.   The heat the milk to a high heat where it will kill most bacteria.  
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Describe how saprophytes help other organisms in the environment.   Saprophytes help other organisms by breaking down dead things and recycling the nutrients.  
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A. What kind of bacteria save farmers millions of dollars in fertilizer costs? B. What kinds of plants have these bacteria in their roots.   A. Nitrogen-Fixing bacteria B. Peas and peanuts have these in their roots  
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Bacteria live in groups called colonies. Colonies are usually circular. The diameter of a particular bacterial colony is 16mm. The circumference of a circle is equal to π(3.14) times its diameter(C=πd) What is the circumference of the colony?   50.24mm  
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The organism that is helpful with fertilizer is (bacteria, cyanobacteria, or nitrogen-fixing bacteria) pick one.   Nitrogen-fixing bacteria  
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The organism that is helpful with producing cheese is (bacteria, cyanobacteria, or nitrogen-fixing bacteria) pick one.   Bacteria  
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The organism that is helpful with Food for fish is (bacteria, cyanobacteria, or nitrogen-fixing bacteria) pick one.   Cyanobacteria  
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The organism that is helpful with Making medicines is (bacteria, cyanobacteria, or nitrogen-fixing bacteria) pick one.   Bacteria  
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The organism that is helpful with cleaning up oil spills is (bacteria, cyanobacteria, or nitrogen-fixing bacteria) pick one.   Bacteria  
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The organism that is helpful with decomposing other materials is (bacteria, cyanobacteria, or nitrogen-fixing bacteria) pick one.   Bacteria  
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Created by: Cole_Fore
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