A Fish That Has Been Salt-Cured Subsequently Develops a Reddish

A fish that has been salt-cured subsequently develops a reddish colour. You suspect that the fish has been contaminated by the extreme halophile Halobacterium. Which of these features of cells removed from the surface of the fish, if confirmed, would support your suspicion?

A) the presence of the same photosynthetic pigments found in cyanobacteria and cell walls that lack peptidoglycan
B) cell walls that lack peptidoglycan and are isotonic to conditions on the surface of the fish
C) cells unable to survive salt concentrations lower than 9% and cells containing many ion pumps on the plasma membrane
D) the presence of the same photosynthetic pigments found in cyanobacteria and cells that are isotonic to conditions on the surface of the fish

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