Which type of cell lacks a membrane-bound nucleus?

• A. Prokaryotic cell
• B. Plant cell
• C. Eukaryotic cell
• D. Animal cell

Answer: (A)

Verified step by step guidance

1. Understand the difference between prokaryotic and eukaryotic cells: Eukaryotic cells have a membrane-bound nucleus, while prokaryotic cells do not.
2. Recall that plant and animal cells are types of eukaryotic cells, so they both contain a membrane-bound nucleus.
3. Recognize that prokaryotic cells, such as bacteria, lack a membrane-bound nucleus; their genetic material is located in a nucleoid region instead.
4. Identify that the question asks for the type of cell without a membrane-bound nucleus, which matches the characteristics of prokaryotic cells.
5. Conclude that the correct answer is 'Prokaryotic cell' because it lacks a membrane-bound nucleus, unlike plant, animal, and other eukaryotic cells.