Neurotransmitter molecules are removed from a synapse by

a) being abosorbed by adjoining muscle tissues
b) being broken down by enzymes
c) being reabsorbed by the presynaptic neuron
d) both (b) and (c)

answer; ///i believe the answer your looking for is (ribosomes);

answercells,tissues,organs,organ,system-organism;

levels of biological organization; organism,population,community,ecosystem,biome,biosphere,

hope this .good luck