What does “Cell membrane” actually mean in Cell: The Unit of Life, and why does it matter for NEET?
a selectively permeable boundary described by the fluid-mosaic model.
In simple words: a selectively permeable boundary described by the fluid-mosaic model. Getting Cell membrane clear matters because NEET questions on Cell: The Unit of Life usually test this idea directly, not just a formula you memorised.
Key point
Cell membrane
Common mistake
thinking the membrane lets everything pass freely.
Memory tip
'selectively permeable' — it chooses what enters and leaves.
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