Biology

The correct answer is: C.One cell, no nucleus.

Bacteria are single-celled organisms that are classified as prokaryotes, which means they lack a nucleus. Their genetic material (DNA) is found in a region called the nucleoid, rather than being enclosed in a membrane-bound nucleus like in eukaryotic cells.

Here’s why the other options are incorrect:

A.Viruses: Bacteria are not viruses. Viruses are entirely different entities that require a host cell to replicate and are not c...