Do proteins form channels in cell walls

Does mitochondria still meet the definition of a eukaryote why or why not?

Nerve cells are specialized to respond to stimulitrue or false?

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.