jeffidn
jeffidn
18-11-2018
Biology
contestada
Please help I will mark brainly ‘
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peachiest
peachiest
18-11-2018
They are semi-permeable because they can diffuse and pass through the plasma membrane easily.
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mc2416
mc2416
20-11-2018
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.
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