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The significance of phospholipid bilayer in plasma membrane is to form–
  • a)
    Water resistant barrier
  • b)
    To allow only carbohydrate substances to
    pass
  • c)
    Passage for free flow of ions
  • d)
    To allow easy passage of proteins
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The significance of phospholipid bilayer inplasma membrane is to form&...
Bilayer in the plasma membrane because the outer membrane of the bilayer is hydrophilic so that it protects inner hydrophobic layer which should not face water
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The significance of phospholipid bilayer inplasma membrane is to form&...
A
reason:bilayer in the plasma membrane because the outer membrane of the bilayer is hydrophilic so that it protects inner hydrophobic layer which should not face water
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The significance of phospholipid bilayer inplasma membrane is to form&...
Water Resistant Barrier:
- The phospholipid bilayer in the plasma membrane serves as a water-resistant barrier, preventing water-soluble molecules from freely diffusing across the membrane.
- The hydrophobic tails of the phospholipids face inward, creating a barrier that repels water-soluble substances while allowing lipid-soluble molecules to pass through.

Regulation of Molecules:
- The phospholipid bilayer also regulates the movement of molecules in and out of the cell.
- It selectively allows certain substances, such as gases and small nonpolar molecules, to pass through while blocking the passage of large polar molecules and ions.

Maintenance of Cell Shape:
- The phospholipid bilayer helps maintain the shape of the cell by providing structural support and integrity.
- It acts as a boundary that separates the internal environment of the cell from the external environment, protecting the cell from damage and maintaining its overall shape.

Protein Interaction:
- Proteins embedded within the phospholipid bilayer play a crucial role in cell signaling, transport of molecules, and cell recognition.
- These proteins interact with the phospholipids to carry out various functions that are essential for the survival and proper functioning of the cell.
In conclusion, the phospholipid bilayer in the plasma membrane is not only a water-resistant barrier but also plays a vital role in regulating the movement of molecules, maintaining cell shape, and facilitating protein interactions.
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The significance of phospholipid bilayer inplasma membrane is to form–a)Water resistant barrierb)To allow only carbohydrate substances topassc)Passage for free flow of ionsd)To allow easy passage of proteinsCorrect answer is option 'A'. Can you explain this answer?
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