Microbiologists Use the Gram Stain to Aid in the Identification

question 1

Multiple Choice

Microbiologists use the Gram stain to aid in the identification of bacteria.What is the major difference between Gram-positive and Gram-negative bacteria?

• A)structure of the lipids in the plasma membrane
• B)presence or absence of muramic acid in the cell wall
• C)presence or absence of peptidoglycan in the cell wall
• D)presence or absence of outer plasma membrane

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Definitions:

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