The cholesterol associated with animal cell membranes
a) is an abnormality resulting from a diet high in cholesterol.
b) makes the cell membrane fluid at room temperature.
c) helps to stabilize the cell membrane at body temperature.
d) helps solidify the membranes when the room temperature is below freezing.
e) is attached to membrane proteins and extends into the watery environment surrounding the cell.

Respuesta :

Cholesterol is one of the molecules composing the cell membrane. b) makes the cell membrane fluid at room temperature.  

What is the role of cholesterol in the cell membrane?

The cell membrane is composed of two lipidic bilayers, cholesterol, proteins, and glucans incrusted in between.

Cholesterol is one type of lipid.

These molecules are incrusted in the membrane between the hydrophobic tails of lipids.

Their proportion on both sides of the membrane is almost the same.

Cholesterol is a significant molecule that contributes to the membrane fluidity, separates phospholipids, and interact with membrane proteins regulating in their activity.

The correct option is b). makes the cell membrane fluid at room temperature.

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