The correct answer is Energy.
Active transport requires energy to move substances against their concentration gradient, while passive transport occurs along the concentration gradient without the use of energy.
In all organisms, substances are transported in and out of cells. What is required for the process of active transport but not for the process of passive transport?
Responses
Concentration gradient
Concentration gradient
Carrier proteins
Carrier proteins
Energy
Energy
Ions
Ions
1 answer
1 answer