What are the two types of cell transport?
In passive transport, substances move across the cell membrane ________ the concentration gradient
Which example describes diffusion?
What macromolecule is embedded into the lipid bilayer and helps to transport molecules?
Which describes a hypotonic environment?
Which describes a hypertonic environment?
Which describes an isotonic environment?
The movement of particles from an area of high concentration to an area of low concentration
When material passes into and out of a cell at equal rates and there is no difference in concentration between the inside and outside of the cell, the cell is in a state of...
If a cell is placed in an environment with MORE oxygen OUTSIDE the cell than inside, the cell will...
The movement of materials that does NOT require energy is called...
The movement of materials that requires energy is called...
The movement of materials from an area of low concentration to an area of high concentration would require...
A process in which cells surround and engulf substances that are TOO BIG to enter the cell is known as...
When a cell forms a vesicle around unwanted particles and expels it OUT of the cell.