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Cell signalling ,[object Object],[object Object],[object Object]
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Environmental stimuli ,[object Object],[object Object]
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Types of cellular signaling ,[object Object],[object Object]
Ectracellular signaling ,[object Object]
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autocrine signaling , ,[object Object]
 
 
Cell direct contact signalling ,[object Object],[object Object],[object Object],[object Object]
Receptors  ,[object Object],[object Object]
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Structure ,[object Object]
Binding and activation ,[object Object],[object Object]
[object Object]
Constitutive activity ,[object Object]
Ligands  ,[object Object],[object Object],[object Object],[object Object]
Cell surface receptor ,[object Object]
[object Object]
Types ,[object Object]
Extracellular receptors ,[object Object]
 
[object Object],[object Object]
The extracellular domain ,[object Object]
 
the transmembrane domains ,[object Object]
 
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intracellular (or  cytoplasmic ) domain ,[object Object],[object Object],[object Object]
 
[object Object]
[object Object]
Ion channel linked receptors ,[object Object]
 
Enzyme-linked receptors ,[object Object]
 
 
G protein-coupled receptors ,[object Object]
G Protein-Linked Receptors
 
 
[object Object],[object Object],[object Object],four Stages of Signal Transduction
[object Object],[object Object]
Three Stages of Signal Transduction
NEXT ,[object Object]
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Cell signalling 1