____________ may move across the membrane by the process of simple diffusion along the concentration gradient, from higher concentration to lower concentration.

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Cell membrane is selectively permeable to some molecules on either side. Hydrophobic lipids does not allow movement of water and charged ions across the membrane. Many molecules can move across the membrane by the process of simple diffusion along the concentration gradient.

Botany - Cell - The Unit of Life Question with Solution | TestHub

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