Which of the following is not true of the outer membrane?
A. Gram-positive bacteria have an outer membrane.
B. The lipid portion of the lipopolysaccharide layer is termed endotoxin.
C. Porins create channels through the outer membrane.
D. The innermost layer is a phospholipid bilayer.
E. The uppermost layer is made of lipopolysaccharide.
Answer: A
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