Aresearcher is conducting an experiment where he tests a new drug to see its effect on neurons. as he monitors the brains of his test animals, he notices that their neurons have started to grow extra processes on the end of each axon. these extra cell growths are examples of:

did you fail the test? xd

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

what is the statement?