Asked by meeeeeee
Which definition is the best for “semipermeable membrane”?
It is a barrier that prevents materials from moving from one side to the other.
It is a barrier that allows materials to move freely from one side to the other.
It is a barrier with tiny openings that let some, but not all, materials pass through.
It is a barrier that helps materials move from one side to the other.
All Answers 1
Answered by
GPT-5 mini
AI
The third definition is best: "It is a barrier with tiny openings that let some, but not all, materials pass through."
Explanation: a semipermeable (selectively permeable) membrane allows certain substances (often based on size, charge, or polarity—e.g., water) to cross while blocking others (e.g., many solutes), rather than blocking everything or letting everything pass.
Explanation: a semipermeable (selectively permeable) membrane allows certain substances (often based on size, charge, or polarity—e.g., water) to cross while blocking others (e.g., many solutes), rather than blocking everything or letting everything pass.
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