NEU 301 Lecture Notes - Lecture 32: Signal Transduction, Juxtacrine Signalling, Gap Junction
Document Summary
An open channel in the cell wall of plants through which strands of cytosol connect from adjacent cells plasmodesmata. Due to complexity of cell signaling, scientists often refer to this term rather that "signal transduction pathways" signaling networks proteins that have very specific binding sites for chemical signal molecules, or ligands receptor. In a gap junction, a protein channel linking adjacent animal cells. connexon component proteins that make up a connexon connexin the inner side of the plasma membrane in which water and low-molecular- weight solutes can freely diffuse. symplast. Receptor proteins have very specific binding sites for chemical signal molecules. Binding this causes the receptor protein to change shape. The binding is reversible and this molec is not altered ligand receptors. Ligand binding changes the shape of the cytoplasmic region, which binds to a. When a g protein binds to an activated receptor protein, gdp is exchanged for gtp. Gtp binding causes a conformational change in the g protein.
