E. coli maintains a constant shape without cholesterol because its rigid cell wall, made of peptidoglycan (murein), prevents it from changing shape.
E. coli heeft geen cholesterol in zijn celmembraan. Desondanks behoudt de cel een constante vorm. Leg uit waarom (2 punten)
| 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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