Which one of the following is true of the structures labeled D in the cell membrane?A.They are membrane proteins.B.They are hydrophilic.CThey are carbohydrates.D.They are hydrophobic?
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The structure labelled D in the cell membrane is hydrophilic in nature. That is option D.
Phospholipid bilayer is defined as the part of the cell membrane that is made up of two phospholipid layers which include:
Therefore, from the diagram, the structure labelled D is the interior part of the phospholipid bilayer which is hydrophilic in nature.
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