Description : What are gas vacuoles? -Biology
Last Answer : Gas vacuoles are air-filled, cylindrical compartments present in prokaryotes. They help in the buoyancy. Gas vacuoles are found in many aquatic bacteria such as blue-green algae or cyanobacteria, halophilic ... .g. Halobacterium, a halophile, has gas vesicles, which help them float in salt water.