adrenaline Flashcards
(9 cards)
1
Q
Where is adrenaline released from?
A
Adrenal glands
2
Q
When is adrenaline released?
A
When blood glucose concentrations are low or in a fight or flight situation
3
Q
What does adrenaline do?
A
Attaches to receptors on the liver and activates an enzyme which hydrolyses glycogen into glucose
4
Q
What is represented by the first messenger?
A
Adrenaline and glucagon when they bind to surface receptors of cells
5
Q
Which enzyme is activated after this?
A
Adenylate cyclase
6
Q
Where is this enzyme found?
A
Cell surface membrane
7
Q
What does this enzyme do?
A
Converts ATP into AMP
8
Q
What acts as the second messenger?
A
Cyclic AMP
9
Q
What does cyclic AMP activate?
A
Enzyme protein kinase which stimulates hydrolysis of glycogen to glucose
