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Questions and Answers
What is the thickness of the plasma membrane mentioned in the text?
What is the thickness of the plasma membrane mentioned in the text?
- 8 nm (correct)
- 80 nm
- 800 nm
- 8 μm
What characteristic does the plasma membrane exhibit?
What characteristic does the plasma membrane exhibit?
- Irregular permeability
- Uniform permeability
- Rapid permeability
- Selective permeability (correct)
What is fundamental to life according to the text?
What is fundamental to life according to the text?
- The rapid permeability of the plasma membrane
- The ability of the cell to discriminate in its chemical exchanges with its environment (correct)
- The uniform permeability of the plasma membrane
- The thickness of the plasma membrane
What may have been one of the earliest episodes in the evolution of life according to the text?
What may have been one of the earliest episodes in the evolution of life according to the text?
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What makes the selectivity in chemical exchanges possible according to the text?
What makes the selectivity in chemical exchanges possible according to the text?
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