johnbrow220
contestada

Active transport requires energy because it usually involves the movement of
A.
substances from an area of low concentration to an area of high concentration.
B.
substances from an area of high concentration to an area of low concentration.
C.
substances in the gas phase, such as oxygen and carbon dioxide.
D.
substances that can easily pass through the cell membrane, such as water.

Respuesta :

EmilyGrace05
A. Substances from an area of low concentration to an area of high concentration.
mahima6824soni

Active transport requires energy because it usually involves the movement of substances from an area of low concentration to an area of high concentration.

What is active transport?

Active transport is the movement of a substance into or out of the cell. The movement is against the concentration gradient, and the movement is from lower concentration to higher concentration.

Example is diffusion.

Thus, the correct option is A.

Learn more about active transport

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