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For more information, please see full course syllabus of Microbiology
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  • Motility in relationship to microbial identification
    • Structures that enable movement in both prokaryotes and eukaryotes
  • Pili
    • Appearance of pili
    • Function of pili
      • Movement
      • Reproduction
  • Flagella
    • Prokaryotic compared to Eukaryotic flagella
      • Flagella organization (bacteria example)


Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • Motility is an Important Property 0:26
    • Flagella
    • Pili
  • Prokaryotic Cell 1:08
  • Pili 1:38
    • Fimbriae
    • Pili Connect a Bacterium to Others of the Same Species
    • Transferred Plasmids Can Bring a New Function to the Cell
  • Fimbriae 3:07
    • Distributed Over the Entire Surface of the Cell
    • Have a Tendency to Adhere to Surfaces and to One Another
    • Example: Neisseria Gonorrhea
  • An Electron Micrograph of E Coli 3:53
  • Bacterial Conjugation with Pilus 4:12
  • Prokaryotic Flagella 5:14
    • Eukaryotes
    • Prokaryotes
    • Underneath Inner Plasma Membrane in Gram Positive and Gram Negative Bacteria
  • Different Types of Flagella 6:13
    • Flagella Organization
    • Bacteria Alters Speed and Direction of Rotation
    • Examples
  • Example 1 8:41
  • Example 2 10:05