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Barophilic prokaryotes:

1. grow and multiply in very deep marine sediments
2. occur in water containing high concentrations of barium hydroxide
3. readily grow and divide in sea water enriched in any soluble salt of barium
4. grow slowly in highly alkaline frozen lakes at high altitudes

Correct answer: grow and multiply in very deep marine sediments

Solution

Barophilic prokaryotes are pressure-loving microbes that thrive under very high hydrostatic pressure. Such conditions are found in deep marine sediments, making that the correct choice.

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