Which of the following is the most probable description of an integral, transmembrane protein?
a. amphipathic with a hydrophilic head and a hydrophobic tail region
b. A globular protein with hydrophobic amino acids in the interior and hydrophilic amino acids arranged around the outside.
c.A fibrous protein coated with hydrophobic fatty acids.
d. A glycolipid attached to the portion of the protein facing the exterior of the cell and the cytoskeletal elements attached to the portion facing inside the cell.
e. a middle region composed of "a" helical stretches of hydrophobic amino acids, with hydrophilic regions at both ends of the protein
Answer: E