| A | B |
|---|
| homeostasis | stable internal environment |
| phospholipid | phosphate head 2 fatty acid tails |
| cell membrane | lipid bilayer |
| selectively permeable | only some stuff gets in |
| membrane protein name tag | cell surface marker |
| membrane protein with a channel | channel protein |
| membrane protein recieves messages | receptor protein |
| membrane protein inside cell | enzyme |
| membrane protein changes shape | carrier protein |
| move from high concentration to low | diffusion |
| concentration gradient | high concentration on one side low on the other |
| move substances using energy | active transport |
| movement using no energy | passive transport |
| spread out evenly | equilibrium |
| facilitated diffusion uses | transport proteins |
| 2 types transport proteins | carrier and channel proteins |
| proteins that let water in | water channels |
| diffusion of water | osmosis |
| cell shrinks in solution | hypertonic |
| cell swells in solution | hypotonic |
| cell stays same in solution | isotonic |
| carrier protein sodium & potassium | sodium/potassium pump |
| piece of membrane that carries things | vesicle |
| vesicle that moves into cell | endocytosis |
| vesicle that moves out of a cell | exocytosis |
| direct, guide, warn | signal |
| site that recognizes certain substances on receptor protein | binding site |
| messenger signal inside of cell | second messenger |
| fatty acid tails of lipid bilayer face? | toward eachother |
| cell that produces signal molecule | signalling cell |
| signal molecule binds to a | receptor protein |
