46. Which of these statements is true?
(A) Integral membrane proteins usually contain one or more regions with a high hydropathy index.
(B) In integral membrane proteins, the domains that protrude on the cytoplasmic face of the plasma membranenearly always have covalently attached oligosaccharides.
(C) A hydropathy plot is used to extrapolate for the true molecular weight of a membrane protein.
(D) A hydropathy plot is used to deduce the quaternary structure of a membrane protein.
(E) A hydropathy plot is used to determine the water-solubility of a protein.