Below is a list of cellular steps involved in respiratory rate regulation. Place them in the correct order. A. Light rays travel through cornea. B. Transducin is activated. C. Glutamate is not released. D. Bipolar cell depolarizes. E. Signal is received by occipital lobe. F. Phosphodiesterase (PDE) is activated by transduction. G. cGMP is broken down into GMP H. Ganglion cell depolarizes. I. Action potentials travel along the optic nerve. J. cGMP gated channels close. K. Photoreceptor hyperpolarizes. L. Voltage-gated Ca2+ channels close. M. Light rays travel through pupils. N. Light hits rhodopsin..