400 would be the lens power because you multiply them together
True in most cases unless they erode then the younger ones will be on top
B. Consumers have more power in the marketplace than they think or know.
Microvilli which line down the luminal surface of those epithelial cells represent the resorptive function of the proximal tubule.
<span>The high quantity of mitochondria inside the epithelial cells of the proximal convoluted tubule is needed in order to supply the energy for the active transport of sodium ions (to enter the cell from the luminal side).</span>