Question

question 10
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which of the following is a lipid composed of four hydrocarbon rings and is
the precursor to cholesterol in the human body?
triglyceride
steroid
prostaglandin
phospholipid

Explanation:

Steroids are lipids with a four - ring hydrocarbon structure. Cholesterol is a type of steroid. Triglycerides are made of glycerol and fatty acids. Prostaglandins are lipid - like compounds but not with the four - ring structure. Phospholipids have a phosphate group and two fatty acid chains.

Answer:

B. Steroid