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3 votes
Which statement is true about Gram negative organisms?

A. They appear purple in the Gram stain

B. They are oxidase positive

C. They have an outer membrane

D. They have cell walls with thick peptidoglycan layers

User Sunvic
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1 Answer

5 votes

Answer:

B, C and D are true.

Step-by-step explanation:

A is false because they appear a pale reddish colour not purple.

User Ruben Serrate
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