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ZingPath: Bacteria and Viruses

Structure of Bacteria

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Bacteria and Viruses

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Structure of Bacteria

Biology

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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:

  • List the structures in a bacteria cell.
  • Match the structures in a bacteria cell with their functions. 
  • Compare prokaryotic and eukaryotic cells.

Everything You'll Have Covered

What is the purpose of a bacterial cell wall?

~ The cell wall of bacteria gives shape and strength to the cell. It also prevents bursting in case excess water is absorbed by the cell.

What part of the cell is located just inside the cell wall, and what is its purpose?

~ The cell membrane is located inside the cell wall and controls the flow of materials entering and exiting the cell. In some bacteria, the cell membrane forms extensions called pili.

How do bacteria cells differ from eukaryotic cells?

~ Eukaryotic cells have a nucleus and membrane-enclosed organelles and bacteria do not.

How are bacteria and eukaryotic cells alike?

~ Both bacteria and eukaryotic cells have ribosomes. They both also have a cell membrane and cytoplasm.

What are plasmids?

~ Plasmids are small strands of circular DNA that contain a few genes, and can be found in bacteria.

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should be able to define bacteria, bacteria cells, and bacteriology.
Course Biology
Type of Tutorial Animation
Key Vocabulary bacteria, bacteria cells, bacteriology