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21 Cards in this Set
- Front
- Back
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Signal transduction pathway
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Series of steps linking a stimulus to a specific cellular response
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Local regulators
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Signaling cell to local messenger molecules
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Hormones
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Secreted chemicals that act on specific target cells changing it's function
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Reception
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Target cells detection of a signaling molecule coming from the outside of the cell.
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Transduction
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Converts a cellular signal to a form that can about about a specific cellular response
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Response
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Third stage of cell signaling that triggers a specific cellular response
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Ligand
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A molecule that binds to a specific molecule
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GPCR
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Cell surface transmembrane receptor that works well with G protein
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G protein
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Protein that binds the energy rich molecule gtp
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G protein
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Protein that binds the energy rich molecule gtp
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Scaffolding proteins
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Large relay proteins to which several other relay proteins are simultaneously attached
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Apoptosis
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Programmed cell death
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Receptor tyrosine kinases
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Belongs to a major class of plasma membrane receptors characterized by having enzymatic activity
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Kinase
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An enzyme that catalyzes the transfer of phosphate groups
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Ligand-gated ion channel
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Acts as a gate when the receptor changed shape
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Protein kinase
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transfers phosphate groups from ATP to a protein
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Protein phosphatases
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Enzymes that can rapidly remove phosphate groups from proteins
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Dephosphorylation
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Process of removing phosphate groups from proteins
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cAMP
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Enzyme embedded in the plasma membrane
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Adenylyl Cyclase
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Converts ATP to cAMP
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Inositol triphosphate and diacylglycerol
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Messenger produced by cleavage of a certain kind of phospholipid in the plasma membrane
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