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ZingPath: Bacteria and Viruses


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Bacteria and Viruses

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Lesson Focus



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You get to learn interesting details about the world of microbes, from the diseases they cause to the essential roles they play in ecosystems and industry. Then, work in a top-secret underground biotechnology lab and help develop a new strain of bacteria that can clean up environmental contamination.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Define endospore.
  • Define sporulation.
  • Explain the formation of endospores in a bacterium.
  • Explain the advantages of endospore formation.

Everything You'll Have Covered

What occurs during sporulation?

~ During sporulation, a bacteria cell copies its DNA and protects it with cytoplasm and a cellular wall.

What is the product of sporulation?

~ An endospore is created from sporulation.

What are the characteristics of endospores?

~ Endospores are resistant to extreme temperatures, pressure, chemicals, and radiation because of their thick cellular wall.

What happens after an endospore is released from its "mother" cell?

~ After an endospore is released from its "mother" cell, it takes in water, swells, and forms a bacterium, which reproduces by binary fission and forms new bacterial cells. This can only happen if environmental conditions are ideal.

What is the advantage of endospore production to bacteria?

~ Bacteria produce endospores as a type of adaptation to survive in unfavorable conditions like extreme temperatures. Sporulation is not a type of reproduction.

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should have an understanding of the following terms: adaptation, adverse environment, and anthrax.
Course Biology
Type of Tutorial Animation
Key Vocabulary adaptation, adverse environment, anthrax