Cell Communication
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15 terms
Terms | Definitions |
|---|---|
 a and alpha | two mating types, or two sexes |
| Signal Transduction Pathway | the process by which a signal on a cell's surface is converted into a specific cellular response |
| Local Regulators | one of the messenger molecules that are secreted by the signaling cell |
| Ligand | a molecule that specifically binds to another molecule |
| Reception | first stage of cell signaling |
| Transduction | second stage of cell signaling |
| Response | third stage of cell signaling |
| Protein Kinase | general name for an enzyme that transfers phosphate groups from ATP to a protein |
| Protein phosphatases | enzymes that can rapidly remove phosphate groups from proteins |
| Dephosphorylation | the process of removing phosphate groups |
| Second Messenger | small, nonprotein, water-soluble molecules or ions |
| cAMP | the cytosolic concentration of compound that elevates when the epinephrine binds to the plasma membrane of a liver cell |
| Adenylyl cyclase | an enzyme embedded in the plasma membrane |
| IP3 and DAG | types of second messenger |
| Scaffolding protein | large relay proteins to which everal other relay proteins are simultaneously attached |
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