Which statement correctly compares passive and active transport in terms of thermodynamic favorability?

• A. Active transport is exergonic and spontaneous, while passive transport is endergonic and non-spontaneous.
• B. Neither passive nor active transport is thermodynamically favorable.
• C. Both passive and active transport are exergonic processes.
• D. Passive transport is exergonic and spontaneous, while active transport is endergonic and non-spontaneous.

Answer: (D)