Question

multiple select question select all that apply which three structures are possessed by all bacteria? cell membrane cell wall chromosome(s) ribosomes flagella

Explanation:

All bacteria have a cell membrane which acts as a barrier. They possess ribosomes for protein - synthesis. They also have chromosomes (usually a single circular chromosome) that carry their genetic information. Not all bacteria have a cell wall (e.g., Mycoplasma) and not all have flagella for movement.

Answer:

Cell membrane, Chromosome(s), Ribosomes