The Predatory Bacterium Bdellovibrio Bacteriovorus Is Able to Penetrate a Gram-Negative

question 46

Multiple Choice

The predatory bacterium Bdellovibrio bacteriovorus is able to penetrate a gram-negative bacterium that has a slimy cell covering. What is the correct sequence of structures penetrated by B. bacteriovorus on its way to the prey's cytoplasm?

• A) phospholipid membrane, capsule, peptidoglycan, lipopolysaccharide membrane
• B) lipopolysaccharide membrane, peptidoglycan, capsule, phospholipid membrane
• C) lipopolysaccharide membrane, capsule, peptidoglycan, phospholipid membrane
• D) capsule, lipopolysaccharide membrane, peptidoglycan, phospholipid membrane

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