Please answer the following question: Fact 1: Steroid hormones are made of lipids, such as phospholipids and cholesterol. Fact 2: Fats are known as lipids. Given the two facts above, answer the question "What are steroid hormones made of?" with the following options: - bacteria - fats - sugar - muscle - H 2 O - sunlight - the Sun - SO2
A:
fats