Question

What is the function of synapse?
a. To allow nerve impulse to move in backward direction
b. To stop the nerve impulse
c. To decrease the speed of the nerve impulse
d. To provide cytoplasmic connection between neurons

Answer 1

i love these questions. :p
(D.)
The reason is because there is a minute gap. (synaptic gap). this merges the pre/post synaptic membrane.
just read an article not long ago...
called Synapses are regulated by the cytoplasmic tyrosine kinase Fer in pathway... yadada
http://www.ncbi.nlm.nih.gov/pubmed/19047464
If you want a more 'indepth' criteria definition and explantion and basic functions on the cellular biological level.