What is the fast block to poly sperm?
Membrane depolarisation
Izumo Juno
X
Aequorin
Gives off light when it binds to calcium in presence of cofactor
Calcium induced calcium release
X
Acrosomal reaction XX
As aprèm enters egg
Phosphatidyl inositol signal
X
What do we have to activate in the calcium induced calcium release pathway
Phospholipase C
Model 2
Sperm puts PLC in directly
Model 1
X