Answer: Is circular DNA without histones.
- A Is a linear, tightly coiled DNA
- B Is enclosed by a nuclear membrane
- C Is circular DNA without histones
- D Is split among many chromosomes
Correct answer: C. Is circular DNA without histones
Explanation: The bacterial nucleoid is a single, circular DNA molecule not associated with histones and not enclosed by a nuclear membrane.
Animal cell structure with major organelles labeled. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
Cell theory, prokaryotic vs eukaryotic cells, organelles and their functions. Foundation of all biology.