To have a great ambition or ultimate goal; desire strongly
Answer:
A postsynaptic potential is defined as excitatory if it makes it easier for the neuron to fire an action potential. ... A postsynaptic potential is considered inhibitory when the resulting change in membrane voltage makes it more difficult for the cell to fire an action potential, lowering the firing rate of the neuron.
The environment is your correct answer<span />
It is called a gene, so the answer is b. gene
