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  • Secondary messanger in peptide hormone action is  Option: 1 ATP  

Secondary messanger in peptide hormone action is

 

Option: 1

ATP

 


Option: 2

GTP

 


Option: 3

cAMP

 


Option: 4

GMP

 


Answers (1)

best_answer

 

 

As we have studied in:

Mode of Protein Hormone Action through Extracellular Receptors:

  • Hormones produce their effects on target tissues by binding to specific proteins called hormone receptors located in the target tissues only.
  • The hormone-receptor complex induces the release of GDP from the G protein.
  • The α- subunit bearing GTP separates from the combined β and ? subunits. The β and ? subunits do not separate from each other. 
  • The activated β and γ subunits of G protein activate adenyl cyclase. 
  • The activated adenyl cyclase catalyses the formation of cyclic adenosine monophosphate (cAMP) from ATP.
  • The hormone is called the first messenger and cAMP is termed the second messenger.
  • Amplification of the signal through a cascade effect.


 

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cAMP is the secondary messenger in peptide hormone action 

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