Bacteria and Viruses
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Where is bacteria found? | On all continents
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| What does a virus have? | it has DNA or RNA
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| In what ways can bacteria enter your body? | in the air you breathe, in a cut, in the food you eat
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| How does bacteria get food? | uses light to make energy and food, feeds on dead organisms, uses energy from chemical reactions
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| Which element can some plants get from bacteria? | nitrogen
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| What can viruses do? | they can replicate themselves
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| How can you prevent the spreading of a viral disease? | practice good hygiene, cover your mouth when you sneeze, stay away from those that are infected
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| What do viruses need to survive? | an organism to live on
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| What are aerobes? | bacteria that lives in places with an oxygen supply
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| What are endospores? | The thick wall produces to help pathogens survive in harsh conditions
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| What is used to kill bacteria? | an antibiotic
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| What happens when a virus enters a host cell? | Sometimes it is active and sometimes it is latent
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| Where will you likely find archaea | in hot springs
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| Why is bacteria in a cow's stomach valuable? | it breaks down cellulose
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| The uses of bacteria to break down waste and pollutants into less harmful material is called...? | bioremediation
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| What can antibiotics not help protect you from? | viruses
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| Why are viral infections hard to treat? | they are always changing
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| What is the second step in a viruses replication process? | first it attaches to a host, then it inserts it genetic material
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| How are bacteria cells different from plant and animal cells? | they are smaller
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| What allows bacteria to move? | the flagellum
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| What does bacteria do in humans? | prevents harmful bacteria from growing, makes vitamin K, breaks food into smaller particles
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| Peanuts and peas have nitrogen-fixing bacteria in growths called ....? | nodules
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| What are the common shapes for viruses? | crystal, cylinder and sphere
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| What do viruses attack and destroy? | cells
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| What helps the bacteria stick to surfaces? | pili
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| What can viruses infect? | animals, humans and plants
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| What protects bacteria from drying out? | the capsule
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| What does nitrogen fixing bacteria do in plants? | provides nitrogen to the plants
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| How does bacteria reproduce asexually? | through fission
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| flagella | whiplike tails that move bacteria
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| anaerobic | bacteria that can live without oxygen
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| one celled organisms without membrane-bound organelles | bacteria
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| what stops the growth and reproduction of bacteria | antibiotic
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| What are endospores? | thick-walled structures around bacteria
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| What changes nitrogen from the air into forms that can be used by plants and animals? | nitrogen-fixing bacteria
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| What is a pathogen? | an organism that produces disease
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| Be able to explain the benefits and harms of bacteria |
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| Explain bacterial conjugation and why is is important for bacterial survival? |
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Created by:
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