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A ____________________ is a long, whip-like structure that extends from the cell membrane and passes through the cell wall. This structure helps the cell move.
flagellum
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An _____________________ is a small, rounded, thick-walled, resting cell that forms inside a bacteria cell.
endospore
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____________________________ are chemical factories where proteins are produced.
ribosomes
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The gel-like region inside the cell membrane is called the _____________.
cytoplasm
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Some bacteria reproduce by _________ _________, a process in which one cell divides to form two identical cells.
binary fission
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A Dutch businessman named ____________ discovered bacteria by accident in the late 1600s.
Anton van Leeuwenhoek
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Unlike bacterial diseases, viral diseases can only be treated with_______________.
bed rest, fluids, well-balanced meals and over-the-counter medications
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What are three things that bacteria need to survive?
- 1.source of food
- 2.way to break down food
- 3.survival techniques
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What are the two main ways that bacteria may be harmful to people?
- 1.infectious disease
- 2.food poisoning
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What are the many ways bacteria are helpful to people?
- 1.Fuel production
- 2.Food production
- 3.Environmental recycling
- 4.Environmental clean-up
- 5.Medicine production
- 6.O2 production by autotrophic bacteria
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What are some foods that are produced with bacteria?
- yogurt
- cheese
- dried meat
- chocolate beverages
- soy sauce
- sour dough bread
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What is the nick-name for bacteria?
"natures recyclers"
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Antibiotics work by weakening the _____ ______ of bacteria causing them to burst and not harming the organism.
cell walls
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Are colds, the flu and mono viral or bacterial diseases?
viral
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What is the main idea behind food preservation?
To remove air and moisture to keep food from spoiling and to extend the shelf-life of the food.
-
Lyme disease, ear infections and strep throat are all ________ diseases.
(viral or bacterial)
bacterial
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What can you treat a bacterial infection with?
antibiotics
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List many methods that have been successfully used to prevent food from spoiling.
- 1.drying
- 2.canning
- 3.salting
- 4.dehydrating
- 5.smoking
- 6.freezing
- 7.cooling/refrigerating
- 8.heating
- 9.pickling
- 10.jarring
- 11.O2 packets
- 12.packaging
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What are some ways that bacterial cells are different from all other organisms’ cells?
- 1.prokaryotes (pro=no)/genetic material not contained in a nucleus
- 3.lack of structures
- 4.Unicellular/single-celled organisms
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Bacteria can be used by the Department of Environmental Protection to clean-up the most dramatic form of pollution, ___, in small quantities.
oil
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Autotrophic bacteria help put ________ in the air to help organisms around the earth.
O2
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