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Structure of the plasma membrane - Khan Academy
The plasma membrane not only defines the borders of the cell, but also allows the cell to interact with its environment in a controlled way. Cells must be able to exclude, take in, and excrete various substances, all in specific amounts.
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Learn about passive transport and selective permeability in cell membranes on Khan Academy.
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Learn about facilitated diffusion, a process that helps transport molecules across cell membranes with the help of proteins.
可汗学院 - Khan Academy
This webpage explains the structure and function of the plasma membrane in biology.
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Korzystasz z Khan Academy w języku polskim? Przekaż 1% podatku lub darowiznę Fundacji Edukacja dla Przyszłości, która zajmuje się tłumaczeniem Khan Academy na język polski, edukacjaprzyszlosci.pl. Przekaż darowiznę dla Khan Academy Foundation, wesprzyj polskie tłumaczenie przekazując datek na edukacjaprzyszlosci.pl, lub wesprzyj nas jako …
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Хан Академиясы - Khan Academy
Ой. Қателік орын алды. Бетті жаңартып көріңіз. Ой, біз қателікке тап болған сияқтымыз.