Cellular Transport: How Cells Move Molecules In and Out

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Plasma Membrane ,[object Object],[object Object],[object Object],[object Object],[object Object],If it allows some molecules to pass through and prevents other molecules from passing through. ,[object Object]

Methods of Cellular Transport ,[object Object],[object Object],[object Object],This passive process is called passive transport , it is the movement of materials across the membrane from region of greater concentration to region of lower concentration When ions and molecules are moving up the concentration gradient, from and area of low concentration to an area of high concentration , then energy is needed. This allows the passage of large molecules like proteins, lipids or microorganism .

Diffusion ,[object Object],[object Object],[object Object]

Osmosis ,[object Object],[object Object]

Physiological Solution ,[object Object],[object Object]

There are three possible relationships that cells can encounter when placed into a water solution. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Equal movement of water into and out of cell net water movement out of cell net water movement into the cell

George in Hypotonic Solution SPLAT AAARRGHH! Uh...Oh!

Active Transport ,[object Object],[object Object]

Bulk Transport ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

End of Presentation ,[object Object]

Cellular Transport: How Cells Move Molecules In and Out

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Cellular Transport: How Cells Move Molecules In and Out