CELL STRUCTURES AND FUNCTION
CELL STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cholesterol
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Is bad
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provides stiffness and structure to the cell’s semipermeable membrane
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Is good
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helps with facilitated diffusion
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Explanation:
Detailed explanation-1: -Comprising 30 mol % of the lipids in cell membranes, cholesterol plays vital biophysical roles in monolayer and bilayer membranes. It increases the lipid-packing density and maintains high membrane fluidity.
Detailed explanation-2: -Cholesterol has many important functions, including its role in membrane permeability, especially the cell membrane, and its role in metabolism. Cholesterol reduces permeability of lipid membranes.
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