Question

what is the structure that is labelled c

cytosol
cell membrane
flagellum
nucleoid
cell wall

Explanation:

In a prokaryotic cell (such as the bacterium shown), the nucleoid is the region that contains the circular DNA. It is not enclosed by a nuclear membrane. The structure labeled C appears to be the region where the DNA is located within the cell, which is characteristic of the nucleoid.

Answer:

nucleoid