Biology
koko123
14

What does it mean for a membrane to be selectively permeable?Only certain molecules are allowed to pass through.The membrane is rigid and only allows water to pass through.All types of molecules are able to pass into the cell.The membrane is rigid and nothing can enter or leave the cell.

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(2) Answers
EdgarBischof926

Only certain molecules are allowed to pass through a semi-permeable membrane. 

chanelleh2

Only certain molecules are allowed to pass through. So A 

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