26- Explain why it is right to argue that the transport of glucose across the apical membrane of 27- Base on the role of the liver as a regulator of blood glucose, explain the physiological importance 28-Some cells have aquaporins (channels that facilitate the flow of water molecules through the intestinal epithelial cells is ultimately powered by ATP hydrolysis. of its glucose transporter being a passive transporter. plasma membrane). For these cells, what regulates the rate and direction of water diffusion across the membrane? a. Aquaporin conformation b. Resting membrane potential c. Solute concentrations on either side of the membrane d. Availability of ATP 29- For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase should be used only once.