Which organelle of a prokaryotic cell contain genetic information?

a. cell membrane
b. ribosomes
c. nucleus
d. nucleoid

I think it is a.

I change my mind i think it is d.

The correct answer is d. nucleoid.

Prokaryotic cells do not have a true nucleus like eukaryotic cells. Instead, they have a region called the nucleoid, where the genetic information of the cell is located. This region is not separated by a membrane and is not considered an organelle in the same way that the nucleus is in eukaryotic cells.

To arrive at the correct answer, it is important to understand the characteristics of prokaryotic cells and how they differ from eukaryotic cells. Prokaryotic cells lack many of the membrane-bound organelles found in eukaryotic cells, and their genetic material is typically contained in a single circular chromosome located in the nucleoid region. The cell membrane, on the other hand, is present in both prokaryotic and eukaryotic cells and serves as a barrier that controls the movement of substances in and out of the cell. Ribosomes, which play a role in protein synthesis, are also found in both cell types but do not contain the cell's genetic information.

Therefore, the correct answer is d. nucleoid, as it is the region in prokaryotic cells that contains the genetic information.