Unit 4: Cell Transport

Frage	Antworten
Passive Transport	Movement of substances through a cell membrane DOES NOT require energy (diffusion and osmosis)
Selectively Permeable	A property of cell membranes that allows some substances to pass through, while others cannot.
Homeostasis	Process by which organisms maintain a relatively stable internal environment.
Osmosis	Diffusion of WATER molecules through a semipermeable membrane from HIGH to concentration to LOW concentration
Cell membrane	-AKA Plasma membrane -A flexible boundary that controls the movement of substances into and out of the cell.
Diffusion	Movement of molecules from an area of HIGH concentration to an area of LOW concentration.
Active Transport	Movement of substances through the cell membrane that REQUIRES ENERGY. Move things from an area of LOW concentration to an area of HIGH concentration.
Facilitated DIffusion	Movement of molecules from an area of HIGH concentration to an area of LOW concentration with the help of proteins.

Zusammenfassung der Ressource

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