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Biology 1610 Ch. 6
Chapter 6 vocabulary
| Question | Answer |
|---|---|
| cell signaling | Answer cell signaling Mechanisms of communication between cells. Cells signal one another with secreted signaling molecules, or a signaling molecule on one cell combines with a receptor on another cell. |
| response | any behavior of a living organism that results from an external or internal stimulus. |
| second messanger | A substance (e.g. cyclic AMP or calcium ions) that relays a message from a hormone bound to a cell-surface receptor; leads to some change in the cell. |
| target cell | A cell with receptors that bind a hormone. |
| lignad | A molecule that binds to a specific site in a receptor or other protein. |
| signaling cascade | A chain of molecules in the cell that relays a signal. |
| reception | process of detecting a stimulas. |
| signal transduction | a process in which a cell converts and amplifies an ectracellulat signal into an intracellular signal that affects some function in the cell. Also called cell signaling. |
| G protein | One of a group of proteins that bind GTP and are involved in the transfer of signals across the plasma membrane. Part of the G-protein linked receptors. |
| first messanger | a hormone that triggers a biochemical reaction at a site removed from its release. |
Created by:
ChandelleH
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