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

Question

Quizplus · Accepted Answer

Bdellovibrio is a predatory bacterium that invades the periplasmic space of Gram-negative bacteria, appearing as a long rod.

A Microbiologist Observes What Appears to Be a Pink- Staining