question: Q:An investigator is conducting an experiment to study different pathways of glucose metabolism. He obtains cells cultured from various tissues to study the effect of increased extracellular glucose concentration. Following the incubation of these cells in 5% dextrose, he measures the intracellular fructose concentration. The concentration of fructose is expected to be highest in cells obtained from which of the following tissues?? 
  {'A': 'Ovary', 'B': 'Kidney', 'C': 'Myelin sheath', 'D': 'Lens', 'E': 'Retina'},