The degradation of the neurotransmitter substance, after it had its effects on the postynaptic neuron can be prevented by certain chemicals. Suggest the effects of such prevention on: i) the postynaptic neuron
ii) the ability of the presynaptuc neuron to rebuild synaptic vesicles​

As opposed to cloning, propagation by cutting, or air-layering, which all produce exact genetic replicas of the original plant, sexual reproduction produces an offspring with the chromosomes of two different parents, and therefore a mixture of genetic traits, which results in a greater combination of available genetic traits within a population.