Given the intracellular concentrations of sodium and potassi…

Given the intracellular concentrations of sodium and potassium given in class, and extracellular concentrations as follows:          K+ = 7 mM          Na+ = 155 mM   5. Calculate EK (show work on paper for full credit)  Hand in the paper at the end of the exam.

9. Describe the events, from stimulation of a photoreceptor…

9. Describe the events, from stimulation of a photoreceptor (including relevant internal events within the photoreceptor) to ganglion cell, for an on-center ganglion cell. (Do not include the influence of the off-surround; also do not describe how these events would vary between a rod and a cone.)