term1 Definition1term2 Definition2term3 Definition3
Please sign in to your Google account to access your documents:
Carbon dioxide leaves a cell by diffusion
diffusion of nutrients out of the small intestine into the blood.
Diffusion of oxygen and carbon dioxide between the blood and the lungs.
Diffusion of oxygen and carbon dioxide into and out of a leaf.
The larger the surface of a cell the faster materials can move in and out.
Substances move by diffusion from higher to lower concentration.
The concentration is higher on the outside than the inside.
Definition.active transport is the movement of a substance across a membrane against a concentration gradient. This process needs an input of energy.
Need help typing ? See our FAQ (opens in new window)
Please sign in to create this set. We'll bring you back here when you are done.
Discard Changes Sign in
Please sign in to add to folders.
Sign in
Don't have an account? Sign Up »
You have created 2 folders. Please upgrade to Cram Premium to create hundreds of folders!