Cholesterol is a type of lipid that helps keep cell membranes fluid rather than stiff.What aspect of a cholesterol molecule's structure helps it fulfill this role?A.It contains two hydrocarbon chains that attract water and a phosphate group that repels water.B.It contains two hydrocarbon chains that repel water and a phosphate group that attracts water.C.Its straight structure packs tightly with the straight hydrocarbon chains of other membrane lipids.D.Its slight bend keeps the straight hydrocarbon chains of other membrane lipids from packing together.

What is cholesterol? A) A lipid with a tetracyclic structure B) A glycolipid with a linear structure C) A triglyceride D) A saturated fatty acid E) A lipoprotein

Role of cholesterol in the cell membrane.Question 3Answera.Integrity b.Fluidityc.Adhesion d.Signaling

2. Cholesterol is an important component of cell membranes, yet high levels of circulating cholesterol are associated with an increased risk of coronary heart disease. a. Summarise the mechanisms that control cholesterol biosynthesis. b. Why do bile sequesterants help to reduce levels of circulating cholesterol?

Cell membrane has a lipid component that helps to regulate fluidity of membrane. This component is:Select one:a. Cephalinb. Sphingomyelinc. Lecithind. Cholesterol

Cholesterol travels the bloodstream as part of what macromolecule?