Discussion
Periplasm is
Answer: A
Correct answer: the area between the inner and outer membranes of gram-negative bacteria
The periplasm is the compartment between the plasma membrane and the outer membrane, and it contains the thin peptidoglycan layer along with binding proteins, hydrolytic enzymes and the β-lactamases that destroy penicillin. Gram-positive cells have no outer membrane, so no true periplasm.
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