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tiny-mole [99]
3 years ago
5

Which factor determines whether a molecule can cross a cell membrane

Biology
2 answers:
Marizza181 [45]3 years ago
6 0
  <span>if a molecule is too large it cannot pass. also it depends on the concentration of a specific substance inside the cell. similarly, if a molecule is polar it cannot penetrate the phospholipid bilayer. 

there are proteins that work as channels and pumps that allow these molecules to pass

</span>
Bingel [31]3 years ago
3 0

Answer:

Polarity

Explanation:

Apex

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