Which of these processes can occur without the direct use of ATP?
A)Simple diffusion
B)Facilitated diffusion
C)Primary active transport
D)Secondary active transport
E)None of these can occur without the direct use of ATP

Question

Quizplus · Accepted Answer

Simple diffusion and facilitated diffusion do not require ATP as they are passive transport processes. Secondary active transport uses the energy from the electrochemical gradient created by primary active transport, not directly from ATP.

Which of These Processes Can Occur Without the Direct Use