Second Messenger Model (AQA A-Level Biology): Flashcards
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Second messenger model definition
Second messenger model definition
A mechanism where hormones affect cells without entering them
Hormones using second messenger model (glucose regulation)
Hormones using second messenger model (glucose regulation)
Adrenaline and glucagon
Target cells
Target cells
Cells with correct receptors for a specific hormone
Location of transmembrane protein receptors
Location of transmembrane protein receptors
Cell surface membrane
Effect when hormone binds to receptor
Effect when hormone binds to receptor
Conformational change (receptor changes shape)
Enzyme activated by receptor conformational change
Enzyme activated by receptor conformational change
Adenyl cyclase
Product when adenyl cyclase acts on ATP
Product when adenyl cyclase acts on ATP
cAMP (cyclic adenosine monophosphate)
The actual second messenger molecule
The actual second messenger molecule
cAMP
Enzymes activated by cAMP
Enzymes activated by cAMP
Protein kinase enzymes
What protein kinase enzymes break down
What protein kinase enzymes break down
Glycogen (into glucose)