Glucose is a large molecule that is transported across the cell membrane through a gated channel, a type of transport protein
used during what
diffusion

b is the best answer for this question.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.