Biology Chapter on Diffusion

Energy input from cellular processes

Active transport mechanisms

Movement from low concentration to high concentration

Movement from high concentration to low concentration (correct)

Temperature

Concentration gradient

Molecular polarity (correct)

Size of molecules

It is a passive process (correct)

It requires specific protein channels

It involves molecules moving against the concentration gradient

It requires energy to proceed

<p>At a high temperature with a steep concentration gradient</p> Signup and view all the answers

<p>Oxygen entering cells and carbon dioxide exiting</p> Signup and view all the answers