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lyudmila [28]
3 years ago
11

Which is afactor that deterrmines whether a molecule can cross a cell membrane

Biology
1 answer:
Stolb23 [73]3 years ago
4 0

Answer:

The nature(hydrophilic or hydrophobic) of the molecule to be transported across the membrane determines whether that molecule can cross the cell membrane or not.

Explanation:

Plasma membrane composed of lipid bilayer in which hydrophilic glycerol head groups of phospholipids in each monolayer are arranged oppositely with respect to each other whereas the nonpolar hydrophobic tail of both the monolayer faces each other.

     The plasma membrane only allow the hydrophobic or nonpolar molecules to pass through its phospholipid bilayer but resist the passage of hydrophilic molecules or polar molecules through it.

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