A Microbiologist Observes What Appears to Be a Pink- Staining

question 4

Multiple Choice

A microbiologist observes what appears to be a pink- staining long rod within the periplasmic space of a Gram- negative bacillus. What is this structure likely to be?

• A) Rickettsia
• B) a heterocyst
• C) Bdellovibrio
• D) an endospore
• E) Chlamydia

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