by 
Louise
ANSWERS: 1
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Bacteria are single celled organisms. All the activities bacteria need to perform to live are contained within this single cell.The cell is delineated from the rest of the environment by a barrier known as the lipid membrane. The membrane is made up of lipid molecules that aggregate to exclude the fluid of the environment.Within the lipid membrane are the life sustaining activities of the bacterial cell.If a bacterium cannot maintain the lipid boundary or protein synthesis fails, the cell is doomed The alcohol disrupts the structure of proteins in the bacteria.If the proteins are disrupted, or denatured ,they cannot perform their highly specific tasks, and the bacterium dies.
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