The following figure diagrams a G protein in action. Which step in this signalling pathway represents reception? Which step represents transduction? Which step represents response? Signal molecule Activated receptor GDP GDP displaced by GTP (b) G-protein system in action Activated G protein Activated enzyme Cellular response

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Q: control

A:

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Q: In the process of sporulation elaborate  the (a) stages,

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Cell Signaling

It allows cells to perform various cellular activities, coordinate, and interact with other cells. All cells of an organism receive signals from their environments and respond accordingly. Even the unicellular eukaryotes receive signals secreted by other cells and respond. In the case of yeast, mating takes place by signaling between the yeast cells. Communication by cell signaling in a multicellular organism has become a vast and important part of various fields of biology.