<prompt> The transmembrane region of the protein is likely to have-A stretch of hydrophilic amino acidsA stretch of hydrophobic amino acidsA disulphide loopAlternating hydrophilic and hydrophobic amino acids  <response>: The transmembrane proteins lie similar to that of the lipid bilayer. The lipid bilayer is hydrophilic in the outer and the inner parts and has a hydrophobic core. Similarly, the transmembrane proteins have outer and inner ends which are hydrophilic and a core which is hydrophobic. So the transmembrane region of the protein is hydrophobic. 