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Question
In the given cell membrane diagram, facilitated diffusion takes place by part
In the given cell membrane diagram, facilitated diffusion takes place by part
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Solution
The correct option is D D
The cell membranes are composed primarily of two layers of phospholipid molecules with all the hydrophilic ends (C) of phospholipids directed toward the inner and outer surfaces and the hydrophobic ends (E) buried within the interior. Protein components can be categorised as integral and peripheral based on their location. proteins present at the surface are called as peripheral (A) while those spanning the membrane called as integral (D). The integral membrane protein serves as protein channels to facilitate diffusion of charged and polar molecules that can not pass through hydrophobic lipid core. Therefore, the correct answer is option D.
The cell membranes are composed primarily of two layers of phospholipid molecules with all the hydrophilic ends (C) of phospholipids directed toward the inner and outer surfaces and the hydrophobic ends (E) buried within the interior. Protein components can be categorised as integral and peripheral based on their location. proteins present at the surface are called as peripheral (A) while those spanning the membrane called as integral (D). The integral membrane protein serves as protein channels to facilitate diffusion of charged and polar molecules that can not pass through hydrophobic lipid core.
Therefore, the correct answer is option D.
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