223,948 views
2 votes
2 votes
Why is the plasma membrane considered as a barrier?

User Artina
by
2.9k points

1 Answer

14 votes
14 votes

Answer:

They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot.

Step-by-step explanation:

please make my answer as brainelist

User Dulitha K
by
3.3k points