| A | B |
|---|
| Fluid mosaic model | proteins floating is a sea of fat |
| integral proteins= | extend all the way or partially through the cell membrane |
| peripheral proteins= | proteins that lie outside the lipid bilayer |
| carbohydrates attatch to lipids and act as...sites | recognition of other cells |
| contact inhibition is... | the ability to stop dividing |
| carbohydrates attatch to proteins and act to... | recognize forigen substances |
| passive transport... | high to low concentration |
| active transport... | low to high concentration |
| active transport is powered by... | energy made by the mitochondria |
| diffusion is... | net movement of ions or molecules from high to low |
| osmosis= | movement of h20 from higher to lower water potential |
| isotonic= | relative concentrations on either side of a membrane are equal |
| hypotonic= | environment has lower concentration of solute than on the inside |
| hypertonic= | environmental conditions have a higher conc. of solute than on the inside |
| plasmolysis= | when a cell loses water and loses turgor pressure |
| dialysis= | diffusion of solutes accross a selectively permeable membrane |
| facilitated diffusion= | movement of selected molecules is speeded up by transport proteins |
| permeases= | transport proteins |
| ATP is used in.. | movenment against the concentration gradient |
| phagocytosis= | cell eating |
| pinocytosis= | cell drinking |
| receptor mediated endocytosis= | receptor sites trigger intake of a specific substance |
| exocytosis= | release of a waste product |
