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Though most prokaryotes have both a cell membrane and a cell wall, there are exceptions such as Mycoplasma (bacteria) and Thermoplasma ( archaea ) which only possess the cell membrane layer. The envelope gives rigidity to the cell and separates the interior of the cell from its environment, serving as a protective filter. Hope this helped!

Plants are organisms made up of cells that have both a cell membrane and a cell wall.

PLANTS:

  • Plants are a group of living organisms made up of cells. They are characterized by the possession of chloroplast organelle, which is the site of photosynthesis.

  • Cell membrane is possessed by every living organism, however, in addition to this structure, plants also possess a cell wall made up of cellulose.

  • Therefore, plants are organisms made up of cells that have both a cell membrane and a cell wall.

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