Bacterial cell Signaling molecule When few cells are present, the concentration of the signaling When many cells are present, the signaling molecule reaches a concentration high enough to induce the expression of certain genes. molecule is low. FIGURE 7.18 Quorum Sensing

Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter9: Cell Communication
Section: Chapter Questions
Problem 3VCQ: Figure 9.17 Which of the following statements about quorum sensing is false? Autoinducer must bind...
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Why would it be beneficial for cells to wait until a critical population density is present before expressing certain genes?

Bacterial cell
Signaling
molecule
When few cells are present, the
concentration of the signaling
When many cells are present, the
signaling molecule reaches a
concentration high enough to induce
the expression of certain genes.
molecule is low.
FIGURE 7.18 Quorum Sensing
Transcribed Image Text:Bacterial cell Signaling molecule When few cells are present, the concentration of the signaling When many cells are present, the signaling molecule reaches a concentration high enough to induce the expression of certain genes. molecule is low. FIGURE 7.18 Quorum Sensing
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