Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Mrs. T's Cell Transp
Mrs. T's Transport Stack
| Question | Answer |
|---|---|
| describe fluid-mosaic model of cell membrane | phospholipid bilayer with floating proteins |
| define exocytosis | active transport mechanism that exports materials from cell |
| define endocytosis | active transport mechanism that imports materials into cell |
| define facilitated diffusion | passive transport of materials by means of helper molecule, no ATP, high to low concentration |
| define active transport | requires ATP to move from low to high concentration, must be in living organism |
| what happens to a human cell in an isotonic solution | nothing, that solution is homeostatic with the cell cytoplasm |
| what happens to a human cell in a hypertonic solution | more salt, less water in solution than in cell, so water leaves the cell (crenation) |
| what happens to a human cell in a hypotonic solution | less salt, more water in solution than in cell, so water moves into the cell (lysis) |
| define diffusion | passive transport, molecules move from hi to low concentration, no ATP required |
| functions of the cell membrane | physical barrier, selective transport, communication |
| when a vesicle fuses w/ cell membrane and expels its contents outside the cell | exocytosis |
| pulling water from an area of less solute to an area of more solute | osmosis |
| process that includes phagocytosis and pinocytosis | endocytosis |
| define osmosis | movement of water from hi to low concentration across a membrane |
| word that means bursting of red blood cells | hemolysis |
| pressure difference is the driving force | filtration |
Created by:
thomasel
Popular Biology sets