If cells had single-layer membranes like micelles, how would the structures of transmembrane proteins be affected?
A) transmembrane proteins would only possess hydrophilic regions
B) transmembrane proteins would possess a hydrophilic region in the cell interior and a hydrophobic region in the extracellular space
C) transmembrane proteins would only possess hydrophobic regions
D) transmembrane proteins would possess a hydrophobic region in the cell interior and a hydrophilic region in the extracellular space
E) the structures of transmembrane proteins would remain the same as if cells had lipid bilayers
Ans: D) transmembrane proteins would possess a hydrophobic region in the cell interior and a hydrophilic region in the extracellular space
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