Answer:
B. have a cell wall outside plasma membrane
Step-by-step explanation:
I love memorizing articles on subjects I enjoy to help answer and solve questions like these, this one is from bio.libretexts.org, and I really hope it can help:
"The Prokaryotic Cell;
They do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid. Most prokaryotes have a cell wall outside the plasma membrane."
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