selective permeability
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
The property of a membrane that allows some substances to pass through it while blocking others.
Test yourself
Which word fits the gap? "The cell membrane's _____ lets oxygen in freely while keeping larger molecules out."
Answer: selective permeability
In your own words, what does "selective permeability" mean?
The property of a membrane that allows some substances to pass through it while blocking others.
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