The statement that explains the presence of internal membranes that affords these cells an advantage over cells lacking such structures is compartmentalization keeps different functions separated within the cell. Thus, the correct option is B.
The eukaryotic cells have an internal membrane that separates the cell from the inner environment to the outer and provides a suitable condition for metabolic activity.
Internal membranes also furnish the process of compartmentalization which are responsible for maintaining the functions separated from the cells with respect to its organelles.
Therefore, the correct option for this question is B.
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