It was found that Listeria infection could be spread from one cell to its neighbors on a petri dish even in the presence of extracellular antibiotic.This suggested that ___________.

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The fact that Listeria infection could be spread from one cell to its neighbors on a petri dish even in the presence of extracellular antibiotic suggests that the bacteria were somehow able to infect new cells directly from their previous host cell, indicating that they were resistant to the antibiotic's effects.

It Was Found That Listeria Infection Could Be Spread from One