Eukaryotic and prokaryotic cell exteriors have similarities and differences. Which of the following statements is/are TRUE with respect to cell exteriors?

a. Bacteria have a cell wall made of peptidoglycan whereas all eukaryotes have cellulose cell walls.
b. A gram stain is used to identify different types of eukaryotic cells based on their cell membrane differences
c. The cell membranes of eukaryotes is made of phospholipids whereas bacterial cell membranes are made of triglycerides.
d. Gram negative cells have an outer membrane that contains toxic lipopolysaccharides. Gram positives and eukaryotic cells do not have this outer membrane or Lipoplysaccharides.
e. The membranes of mitochondria are similar to bacteria in that they both have peptidoglycan supporting the Theory of Endosymbiosis.