Steroid signals- Bind receptors to the nucleus lipophilic
Increases protein synthesis -slow process
goes through plasma and nuclear membrane
Protein synthesis occurs in the cytoplasm
Engages DNA in nucleus
Is a slow process
Protein hormones- binds receptors in plasma membrane (nonlipophilic)
Increases second messenger = quick, dramatic response
*can't go through membrane
1. cAMP is the first 2nd messenger. Increases kinase activity(light switch - phosphorolates an enzyme & turns it on. Makes it functional)
*phosphorolate = attachment of an enzyme
GTP = ATP equivalency of energy
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Oh Dang! A Recap
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