A Researcher Discovers a New Single-Celled Bacterium Very Similar to Thiomargarita

Multiple Choice

A researcher discovers a new single-celled bacterium very similar to Thiomargarita namibiensis. At first she is confused because this organism is quite large compared with other bacteria. She also knows that because of diffusion, most bacterial cells don't exceed 1m in size. What might the researcher notice about the internal structure of her new bacterium?

A) It contains several membrane-bound organelles, facilitating the diffusion of molecules.
B) It contains several large histones, facilitating the diffusion of molecules.
C) It is completely filled by cytoplasm, limiting the distance molecules need to diffuse.
D) It contains a large vacuole, limiting the distance molecules need to diffuse.