Question

Which of the following is the function of lipids?

• A. Regulation of membrane permeability
• B. Regulation of fluidity of membranes
• C. Electrical insulation to nerve fibre
• D. All of the above

Answer 1

The correct option is D All of the above

Lipids are broken down in the digestive tract to form fatty acids and cholesterol. Fatty acids and cholesterol are key components of cell membranes that regulate its fluidity and permeability. Lipids of the nervous system are localized in myelin sheaths thereby providing electrical insulation. Thus the correct answer is option D.