How does the size of the organism affect the surface area : volume ratio?
The larger the organism, the smaller the surface area : volume ratio.
1 of 8
How is diffusion used in fish gills?
Oxygen from the water passes into the fish’s mouth and flows over the gills and the oxygen is diffused into the bloodstream.
2 of 8
What is osmosis?
The diffusion of water from a dilute solution to a concentrated solution through a semi permeable membrane.
3 of 8
What happens to a cell when in a very concentrated solution?
Water will move out of the cell and the cell will shrink and become flaccid.
4 of 8
What happens to a cell in water?
The cell will expand and become turgid.
5 of 8
What is active transport?
The movement of particles from an area of low concentration to an area of high concentration against the concentration gradient. Active transport requires energy.
6 of 8
How is active transport used in root hair cells?
Ions move through the semipermeable membrane into the root of the cell .
7 of 8
How is active transport used in the small intestine?
Sugars are carried into the lumen of the small intestine and the transported into the bloodstream.
8 of 8
Other cards in this set
Card 2
Front
How is diffusion used in fish gills?
Back
Oxygen from the water passes into the fish’s mouth and flows over the gills and the oxygen is diffused into the bloodstream.
Card 3
Front
What is osmosis?
Back
Card 4
Front
What happens to a cell when in a very concentrated solution?
Comments
No comments have yet been made