Multiple choice general knowledge science & technology Chicken eggs contain a fatty substance. What is it called? Starch Fats Cholesterol Proteins Reveal answer Fill a bubble to check yourself C Correct answer Explanation Chicken eggs contain cholesterol, a fatty substance found in animal cell membranes. A single egg yolk contains about 185-200 mg of cholesterol. The white (albumen) is primarily protein and water, while the yolk contains fats including cholesterol.