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Which of the following statements is true regarding the movement of substances across cell membranes?
A
lons are unable to move through the phospholipid bilayer because the nonpolar tail regions of the phospholipids are hydrophobic.
B
lons are able to move through the phospholipid bilayer because the polar head regions of the phospholipids are charged.
с
Water is able to move through the phospholipid bilayer because the nonpolar tail regions of the phospholipids are charged.
D
Water is unable to move through the phospholipid bilayer because the polar head regions of the phospholipids are charged,

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Martebi

The statements is true regarding the movement of substances across cell membrane is that ions are unable to move through the phospholipid bilayer because the nonpolar tail regions of the phospholipids are hydrophobic.

for better understanding let's explain what the statement means

  • Charged molecules e.g. ions fined it difficult to move or diffuse through a phospholipid bilayer irrespective of size e.g H+ ions is unable to move across a lipid bilayer by free diffusion.

from the above we can therefore say that the answer The statements is true regarding the movement of substances across cell membrane is that ions are unable to move through the phospholipid bilayer because the nonpolar tail regions of the phospholipids are hydrophobic is correct

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