What Does an ABC Transporter Use to Move Larger Ions

Question

What does an ABC transporter use to move larger ions and molecules across the cell membrane?
A) ATP
B) Water
C) Porins
D) Signals
E) Tunnels

Accepted Answer

ABC transporters use ATP (Adenosine Triphosphate) as an energy source to transport various molecules across cell membranes, including larger ions and molecules.