What tool or technique used by Ivanowski and Beijerinck while studying diseased tobacco plants enabled them to determine that the disease was caused by an agent significantly smaller than bacteria?
A)scanning electron microscopy that enabled them to view the virus the tobacco mosaic virus
B)transmission electron microscopy that allowed them to view the tobacco mosaic virus
C)porcelain filters that trapped bacteria but allowed passage of the virus
D)cell culture that enabled cultivation of the virus

Question

Quizplus · Accepted Answer

Ivanowski and Beijerinck used porcelain filters to trap bacteria but they found that the disease still passed through these filters. This led to the conclusion that the disease-causing agent was significantly smaller than bacteria and could only be a virus.

What Tool or Technique Used by Ivanowski and Beijerinck While