37. What process(es) is/are required for phospholipids to fl…
37. What process(es) is/are required for phospholipids to flip-flop across the lipid bilayer?A) The process requires an enzyme called flippase. B) The process occurs spontaneously, requiring no energy. C) The process occurs spontaneously and requires the flippase enzyme. D) The process requires energy. E) The process requires energy and the flippase enzyme.