LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

MOLECULAR BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a role of cholesterol in animal cells?
A
it increases body fat
B
it controls membrane fluidity
C
it lines the inner wall of capillaries
D
it is a constituent of bile
Explanation: 

Detailed explanation-1: -Cholesterol modulates the bilayer structure of biological membranes in multiple ways. It changes the fluidity, thickness, compressibility, water penetration and intrinsic curvature of lipid bilayers.

Detailed explanation-2: -The cholesterol molecules enhance the permeability-barrier properties of the lipid bilayer. They orient themselves in the bilayer with their hydroxyl groups close to the polar head groups of the phospholipid molecules.

There is 1 question to complete.