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bixtya [17]
3 years ago
14

Please help I will mark brainly ‘

Biology
2 answers:
Black_prince [1.1K]3 years ago
8 0
It’s because they are polar. Nonpolar molecules move through the membrane easily, while polar molecules, such as water, move against the concentration gradient and thus move slower.
Contact [7]3 years ago
7 0
They are semi-permeable because they can diffuse and pass through the plasma membrane easily.
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