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How do specialized structures (e.g. flagella, endospores and pili) confer critical capabilities to bacteria and archaea?

Topic

Cell Structure and Function

Framing Question

How do specialized structures (e.g. flagella, endospores and pili) confer critical capabilities to bacteria and archaea?

Learning Objectives

  • Diagram the structure of a bacterial flagellum.
  • State the function of pili and fimbriae.
  • List the features of endospores that allow them to survive extreme conditions over long periods of time.
  • Compare and contrast the structure of cell membranes and cell walls in Bacteria and Archaea.
  • Explain how specialized structures (e.g., pili/fimbrae, capsules, lipopolysaccharides, spores, or flagella) enable a microbe to survive in a given environment.
  • Predict how losing the ability to make a specialized structure (e.g., pili/fimbrae, capsules, lipopolysaccharides, spores, or flagella) might affect survival.
  • Compare and contrast the different cellular transport processes (e.g., facilitated diffusion, ion driven transport/simple transport, ABC transporter, group translocation, etc.) with regard to the proteins involved and the energy source used.

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