Which of the following statements about oxygen is FALSE? A)Oxygen is the only potential electron acceptor available on Earth's surface. B)Only the oxidation of organic molecules by O₂ provides sufficient energy to support large, active organisms. C)Oxygen concentrations in the atmosphere favor diffusion into the interior cells of organisms. D)Oxygen is necessary for complex multicellular life. E)Oxygen became abundant in the atmosphere 580-560 million years ago.

Question

Quizplus · Accepted Answer

Oxygen is not the only potential electron acceptor; other molecules like nitrate and sulfate can also serve as electron acceptors in various biochemical processes.

Which of the Following Statements About Oxygen Is FALSE