Introduction to Signaling in Single-Celled Organisms

Discuss the process of signaling in single-cell organisms

Within-cell signaling allows bacteria to respond to environmental cues, such as nutrient levels, some single-celled organisms also release molecules to signal to each other.

What You’ll Learn to Do

  • Describe how single-celled yeasts use cell signaling to communicate with one another
  • Relate the role of quorum sensing to the ability of some bacteria to form biofilms

Learning Activities

The learning activities for this section include the following:

  • Signaling in Yeast
  • Signaling in Bacteria
  • Self Check: Signaling in Single-Celled Organisms

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