Biology

The correct answer is: C.Prokaryotic cells have DNA free in the cytoplasm.

Explanation:

A.Prokaryotic cells have DNA in a nucleus: This is incorrect. Prokaryotic cells do not have a nucleus. Their DNA is located in a region called the nucleoid, but it is not enclosed within a membrane-bound nucleus.

B.Eukaryotic cells have DNA in a single circular chromosome: This is incorrect. Eukaryotic cells typically have multiple linear chromosomes contained within a membrane-bound nucleus, not a single circular chromosome.

C.Prokaryotic cells have DNA free in the cytoplasm: This is correct. In prokaryoti...