The outer membrane of gram-negative bacteria is composed of
A) lipopolysaccharides, phospholipids, and porin proteins.
B) peptidoglycan, phospholipids, and proteins.
C) enzymes, cholesterol, and carbohydrates.
D) carbohydrates, peptidoglycan, and proteins.

Question

Quizplus · Accepted Answer

The outer membrane of gram-negative bacteria is composed of lipopolysaccharides (LPS), a unique component that is not found in gram-positive bacteria, phospholipids, and porin proteins. Gram-negative bacteria also have a much thinner layer of peptidoglycan in their cell wall compared to gram-positive bacteria.

The Outer Membrane of Gram-Negative Bacteria Is Composed of