Question 1
Which of the following helps to create the electric gradient?
◦ negatively charged proteins
◦ positively charged proteins
◦ neutral proteins
◦ cholesterol in the cell membrane
◦ hydrogen ions in the cytoplasm
Question 2
Which of the following is NOT true concerning sensory neurons?
◦ They collect information about stimuli.
◦ They lie in the pathway between the interneurons and motor neurons.
◦ They relay information to the spinal cord.
◦ They relay information to the brain.
◦ They are one of three types of neurons.