A) eukaryotic, anaerobic, and heterotrophic. B) prokaryotic, aerobic, and autotrophic. C) prokaryotic, anaerobic, and heterotrophic. D) prokaryotic, anaerobic, and autotrophic.
Refer to the figure above and then answer the question that follows. -This structure does not appear to be cellular. It consists of a mixture of protein and RNA and can cause an immune response in humans. Which of the following describes this structure?