BIOL 1000 Lecture Notes - Lecture 13: Paracrine Signalling, Signal Transduction, Cell Membrane

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9 Nov 2018
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The plasma membrane and its role in cell signaling/communication adjacent cells of local signaling signaling cell distances to coordinate their activities. In multicellular organisms, cell to cell communication allows the cells of the body. Communication between cells is also essential for many unicellular organisms. Eukaryotic cells may communicate by direct contact. Animal and plant cells have junctions that directly connect the cytoplasm of. These are called gap junctions in animal cells and plasmodesmata in plant cells. The free passage of substances in the cytosol from one cell to another is a type. In other cases of local signaling, messenger molecules are secreted by a. These messenger molecules are known as local regulators travel only short. One class of these, growth factors stimulate nearby cells to grow and divide. This type of local signaling in animal cells is called paracrine signaling. Another type of signaling occurs in the animal nervous system.

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