In this lab, you used a variety of media with a NaCl concentrations ranging from 0.5% to 15%. On which of these media are the bacteria most likely to undergo osmotic lysis

none of these media  

Explanation:

Bacteria have resilient cell walls composed of cross-linked peptidoglycan that acts as a cross-linked wire and thus prevents them from osmotic lysis. In consequence, bacteria are generally able to grow in hypo-osmotic conditions. Moreover, all the media indicated above are hypotonic compared to the bacterial cells, i.e., they have a lower solute concentration compared to the bacterial cytoplasm. In hypotonic media, bacteria can take up water from the external solution by osmosis.

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