Lipids are hydrophobic,and do not usually dissolve in water.Because blood is water-based,the lipid cholesterol is combined with ________ so that it can be transported by blood.
A) a hydrophilic molecule
B) a hydrophobic molecule
C) nothing; cholesterol is not transported in blood
D) a cation
E) an anion

Question

Quizplus · Accepted Answer

As lipids are hydrophobic, they require a hydrophilic molecule to make them soluble in water-based fluids such as blood. In the case of cholesterol, it is combined with proteins known as lipoproteins, which have hydrophilic and hydrophobic parts, allowing them to transport cholesterol and other lipids in the bloodstream.

Lipids Are Hydrophobic,and Do Not Usually Dissolve in Water