Which cell type lacks a nucleus?

Which cell type lacks a nucleus?

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

Answer: (B)

Nucleus is the membrane-bound compartment that houses DNA in most cells. Prokaryotic cells do not have a true nucleus; their DNA lies in the cytoplasm in a region called the nucleoid, not enclosed by a membrane. Without a nuclear envelope, these cells lack a defined nucleus. In contrast, eukaryotic cells—such as plant and animal cells—have a nucleus that contains their DNA and separates genetic processes from the rest of the cell. So the cell type that lacks a nucleus is the prokaryotic cell.

Nucleus is the membrane-bound compartment that houses DNA in most cells. Prokaryotic cells do not have a true nucleus; their DNA lies in the cytoplasm in a region called the nucleoid, not enclosed by a membrane. Without a nuclear envelope, these cells lack a defined nucleus. In contrast, eukaryotic cells—such as plant and animal cells—have a nucleus that contains their DNA and separates genetic processes from the rest of the cell. So the cell type that lacks a nucleus is the prokaryotic cell.