Q: In prokaryotic organisms, nuclear region is not surrounded by a membrane. This undefined nuclear region is known as
(a)Nucleic acid
(b)Nucleoid
(c)Nucleolus
(d)Nucleosome
Correct Answer: (b)
The correct answer is (c): Nucleolus. Subject: Science & Technology | Sub-topic: Nuclear Science & Energy Note: This answer was determined through AI-based research. Verify against the official answer key when available.