3B. Cellular and Molecular Mechanisms

File:USDAbacteria.jpg

Example of signaling between bacteria. Salmonella enteritidis Quorum sensing

(http://en.wikipedia.org/wiki/Cell_signaling)

We have seen over the past several years the rise in importance of cell-to-cell communication and signal transmission.  The second Enduring Understanding in this Big Idea focuses on these topics.  The results of these processes will lead to cell specialization and variation in how and when genes are expressed (in protein production) in prokaryotes (e.g. operons) and eukaryotes (e.g. transcription factors).

 

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