Answer: Nucleoid.
- A Nucleus
- B Nucleolus
- C Nucleoid
- D Vacuole
Correct answer: C. Nucleoid
Explanation: In a prokaryote the DNA lies coiled in a region called the nucleoid, which is not bounded 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.