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Cell E Coli Cholesterol Cell Surface Membrane  Despite Maintains

Front E. coli has no cholesterol in its cell-surface membrane.  Despite this, the cell maintains a constant shape.  Explain why (2 marks)
Back 1. Cell unable to change shape; 
2. (Because) cell has a cell wall; 
3. (Wall is) rigid/made of peptidoglycan/murein;

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