Physiology Trace B best describes the kinetics of which of the following events? A Transpo of Ca++ into the sarcoplasmic reticulum of a smooth muscle cell B Transpo of K+ into a muscle cell C Transpo of Na+ out of a nerve cell D Transpo of O2 across an aificial lipid bilayer π‘ Explanation Trace B best describes the kinetics of which of the following events? β Correct Answer: D. Transpo of O2 across an aificial lipid bilayer