|
Erstellt von Jin Braicovic
vor mehr als 8 Jahre
|
|
Frage | Antworten |
substances that move in | Oxygen water nutrients |
Substances that move out | carbon dioxide wastes |
hydrophilic | -face water environment -water liking |
hydrophobic | -face each other -water repelling |
phospholipid | lipid containing phosphate groups |
fluid mosaic model of cell membrane | - Jonathan singer and garth nicholas in -protein molecules imbedded in lipid bilayer |
functions of cell membrane structures: phospholipid Bilayer | acts as a barrier to ions |
Embedded proteins | some help specific substances to cross membrane through protein pore |
passive movement | expends no energy (diffusion and osmosis) |
active movement | expends energy |
diffusion | the movement of substances from a more concentrated to a less concentrated one |
osmosis | diffusion of water across a semi-permeable membrane from an area where there is more water to an area where there is less. |
concentration gradient | the difference in the number of particles compared to the number of particles in another area. |
hypertonic (more) | more concentrated solution (more molecules outside) (sea water) |
isotonic | same concentration |
hypotonic | less concentrated solution (fresh water) |
Möchten Sie mit GoConqr kostenlos Ihre eigenen Karteikarten erstellen? Mehr erfahren.