Answer :
When viewing nodule cells through a microscope,cells that are infected with bacteria will be larger and may be pink; both options A and C.
What are signs of infections?
The signs of infection by a disease-causing organisms in another organism include inflammation, and a change in the coloration of that organism.
An infection of root nodules will be indicated by swelling and change in coloration.
Therefore, when viewing nodule cells through a microscope, cells that are infected with bacteria will be larger and may be pink.
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