You Go See a Movie at Mid-Day to Have the Theater

question 84

Multiple Choice

You go see a movie at mid-day to have the theater to yourself. To your dismay, a guy wearing a great deal of a foul cheap cologne sits next to you. You move a few seats away to escape the odor. You keep moving farther and farther from where the guy is sitting until the smell is tolerable. Your movement in seating illustrates the

• A) electrical gradient.
• B) release of neurotransmitters.
• C) concentration gradient.
• D) ion flux.