et_al at my-deja.com wrote:
> AFAIK there is no
> mechanism that could segregate molecules into different variants and
> convey them to specific vesicles. Indeed, vesicles may contain more than
> one NT all of which get deposited into the synaptic gap when the vesicle
> opens.
Such a mechanism may still be detected.... the existence of such a
hypothetical mechanism can at present not be ruled out.
Dag Stenberg