Q.
In fluid mosaic model of the cell membrane
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a
Lipids are arranged as a continuous sheet on the membrane surface
b
Lipid is sandwiched between two layers of proteins
c
The arrangement of lipids ensures that the nonpolar tail of saturated hydrocarbons is protected from the aqueous environment.
d
Proteins form the fluid part of the membrane in which the lipids are embedded either intrinsically or extrinsically.
answer is C.
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Detailed Solution
The major lipids are phospholipids that are arranged in a bilayer. Also, the lipids are arranged within the membrane with the polar head towards the outer sides and the hydrophobic tails towards the inner part. This ensures that the nonpolar tail of saturated hydrocarbons is protected from the aqueous environment.
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