Which of the following contains gas vacuoles?

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Question

(C) Gas vacuoles (or gas vesicles) are specialized structures found in certain prokaryotic organisms,such as blue-green algae (cyanobacteria),purple a

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Blue-green algae

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(C) Gas vacuoles (or gas vesicles) are specialized structures found in certain prokaryotic organisms,such as blue-green algae (cyanobacteria),purple and green photosynthetic bacteria,and some halophilic archaea.They provide buoyancy to the cells,allowing them to float at specific depths in the water column where light and nutrient conditions are optimal.Mycoplasma and $PPLO$ (Pleuropneumonia-like organisms) are the smallest known living cells and lack a cell wall; they do not possess gas vacuoles.

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