Does passive transport require energy

Asked by maham237 @ in Chemistry viewed by 247 People

Why does passive transport not require the cell to use energy to move molecules across themembrane?

The molecules use protein pumps to move molecules across the membrane
The molecules are moving against the concentration gradient
The molecules use water to move across the plasma membrane,
The molecules are moving from high concentration to low concentration
Finish

Answered by maham237 @


Answer:

The molecules use protein pumps to move molecules across the membrane

Explanation:

Sometimes, molecules cannot move through the cell membrane on their own. These molecules need special transport proteins to help them move across the membrane, a process known as facilitative diffusion. ... Many channel proteins allow the diffusion of ions. Ions are charged atoms.


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