Noun
signal transduction (uncountable)
(biochemistry) A series of chemical reactions within a cell which start when a transmembrane protein comes into contact with a chemical signal, resulting in a second messenger being triggered.
Signal transduction The active tyrosine kinase phosphorylates specific target proteins, which are often enzymes themselves. Source: Internet
Signal transduction Integrins play an important role in cell signaling by modulating the cell signaling pathways of transmembrane protein kinases such as receptor tyrosine kinases (RTK). Source: Internet
Signal transduction occurs when an extracellular signaling http://www.ncbi.nlm.nih.gov/books/NBK21517 molecule activates a specific receptor located on the cell surface or inside the cell. Source: Internet