BIOL 1105 Chapter Notes - Chapter 9: Quorum Sensing, Threonine, Mitogen
12 Sep 2018
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Signaling is defined by the distance from the source to receptor. One cell signals and the target cell uses receptor proteins. Autocrine signaling: cells send signals to themselves, secreting signals that bind to specific receptors on their own pm. Secretions from one cell have an effect on cells in the immediate area. Hormones are released into the organisms circulatory system, which carries them to target cells. Chemical synapse signaling involves transmission of signal molecules, called neurotransmitters, from a neuron over a small synaptic gap to the target cell. Signal transduction: events that happen within the cell on receipt of a signal. Change the behavior or nature of the cell. These events can form discrete pathways that lead to a cellular response to the signal received by receptors. Phosphorylation is key in control of protein production. Proteins can be controlled by phosphate added by kinase and removed by.
