Which of the following statements about cholesterol is TRUE?

a. Cholesterol increases the flexibility of membranes

b. Cholesterol requires flippases to enter the cell

c. Cholesterol contains two hydrocarbon tails

d. Cholesterol is an amphipathic molecule

e. Cholesterol is found mainly in the cytoplasm

Answer: Option (C) is correct.

Explanation:

Cholesterol is known as an organic substance. It is also referred to as a sterol which is also known as a modified steroid, it is considered as a kind of lipid. It is mostly bio-synthesized by cells (animal) and thus is considered to be an essential component of cell membranes in animals. It also tends to serve as a forerunner for the biosynthesis of bile acid, steroid hormones and vitamin D. It is also considered as the principal modified steroid synthesized by animals.