The straight line represents the domains of polar/charged amino acids and the boxes represent domains of non-polar amino acids. One specific domain is labeled X.In a vinegar and water mixture, you might expect the molecule to reside in:
A. In the upper phase (oil)
B. in the lower phase (water and vinegar)
C. in the interface where both phases meet (the middle)
D. at the top of the phase, in contact with air