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    Myla's Avatar
    Myla Posts: 1, Reputation: 1
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    #1

    Oct 7, 2007, 07:11 PM
    Microbiology-Bacterial Cells
    What happens when a bacterial cell is placed in a solution containing 5% NaCl?
    templelane's Avatar
    templelane Posts: 1,177, Reputation: 227
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    #2

    Oct 10, 2007, 11:15 AM
    Right I've worked that out as an 11.5M solution, that is really high molarity. Most bacteria can withstand an osmotic pressure of up to 3.5% salt (as in seawater) due to the fact they have strong cell walls.

    However Halophiles (salt-loving) live in conditions ranging from 18% to 24%.

    So there is a good chance the cell will swell and lyse but I wouldn't say 100% as it will depend on the cell strain.

    What are you asking this for?
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