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17 Cards in this Set
- Front
- Back
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Cells can communicate in 5 different ways
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paracrine signaling, synaptic signaling, horomones, direct contact and pheromones
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Which of the 5 ways a cell can communicate includes a cell signal to nearby cells by secreting local regulators into the intertestitial fluid
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Paracrine signaling
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Which of the 5 ways a cell can communicate by releasing something by secreting cells and travel via the blood stream to other target cells that are far away from the releasing cell
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horomones
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Which of the 5 ways a cell can communicate includes a nerve cell that releases neurotransmitter moleucules into space between two nerve cells.
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synaptic signaling
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Which of the 5 ways a cell can communicate by chemcilas produces by one organism that are released into the environemtn and effect a response by another oganism
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Pheromones
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What is a space between two nerve cells called?
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synapse
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What are the three stages of cell communication?
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reception, transduction and response
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Of the three stages of cell communication which ones are found onthe plasma membrane that have protein receptors that interact with specific messengers
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receptors
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Which of the three stages of communication has the binding of specific messengers that causes a conformational change in the receptor protein
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transduction
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whic of the three stages of cell communication has G-protein repector system where a mesenger docks with a G-protein linked receptor and interacts with a C-protein.
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response
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what are pores in the membrane that open or close when activated allowing or blockingthe movement of ions
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ion-channel receptors
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what once activated, may activate many intracellular proteins simultaneously
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tyrosine-kinase receptor
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what is the major mechanism of signal transuction?
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phophorylation of proteins
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what is a class of enxymes that removes phosphates from proteins
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protein phosphatases
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what is the most common secondary messenger?
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cyclic AMP (cAMP)
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what is the product from the hydrolytic reaction where the enxyme adenylate cyclase cleaves the substrate ATP?
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cAMP
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g-proteins activiate an inactive adenylate cyclase and produces. . .
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cAMP
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