Answer
c.
Work Step by Step
Option a. is incorrect. Prokaryotic cells use DNA as their genetic material.
Option b. is incorrect. Prokaryotic cells have cell walls.
Option d. is incorrect. Prokaryotic cells contain one or more plasmids, which are circular pieces of DNA.
Option c. is correct. Prokaryotic cells do not contain nuclei or any other organelles. Their DNA is present in the cytoplasm of the cell and is not enclosed within a nucleus.