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A cell membrane is selectively permeable when it

Question 6 options:

lets everything in.


keeps everything out.


allows some substances in and others out.


connects to other cells.

User Starlocke
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2 Answers

3 votes

Answer: B

Step-by-step explanation:

User MarioC
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4 votes

Answer: allows some substances in and others out

User Cory Quammen
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