Chapter 11 Cell Communication
Lecture Outline for Campbell/Reece Biology, 7th Edition, ? Pearson Education, Inc. 11-1 Chapter 11 Cell Communication Lecture Outline Overview: The Cellular Internet ? Cell-to-cell communication is absolutely essential for multicellular organisms. ? Cells must communicate to coordinate their activities. ? Communication between cells is also important for many unicellular organisms. ? Biologists have discovered universal mechanisms of cellular regulation involving the same small set of cell-signaling mechanisms. ? The ubiquity of these mechanisms provides additional evidence for the evolutionary relatedness of all life. ? Cells most often communicate by chemical signals, although signals may take other forms.