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) Bdellovibrio
C) Chlamydia
D) a heterocyst
E) an endospore

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