Question Detail
Question
Diffusion does not require the cell to expend ATP. Therefore, diffusion is considered
Correct Answer
Option D is the correct answer.
Detailed Explanation
Passive transport is the movement of substances across cell membranes without the need for energy input from the cell (ATP). Diffusion, osmosis, and facilitated diffusion are all types of passive transport.
Hint
If a process doesn't require energy (ATP), is it active or passive?