Which of the Following Correctly Identifies Key Elements Present on the Exterior

question 11

Multiple Choice

Which of the following correctly identifies key elements present on the exterior of Gram-negative (GN) and Gram-positive (GP) bacteria?

• A)GN: single lipid bilayer; GP: two lipid bilayers
• B)GN: single peptidoglycan layer; GP: multiple peptidoglycan layers
• C)GN: extensively crosslinked peptidoglycans; GP: uncrosslinked peptidoglycan
• D)GN: contains both N-acetylmuramic acid and N-acetylglucosamine; GP: contains only N-acetylmuramic acid
• E)none of the above

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A measure used to evaluate the efficiency or profitability of an investment, calculated by dividing net profit by the cost of the investment.

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