Which of the following examples does not cont | vedclass

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(A) Cholesterol is a sterol (a type of steroid alcohol) with the chemical formula $C_{27}H_{46}O$. It consists of a tetracyclic hydrocarbon skeleton w

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Cholesterol

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(A) Cholesterol is a sterol (a type of steroid alcohol) with the chemical formula $C_{27}H_{46}O$. It consists of a tetracyclic hydrocarbon skeleton with a hydroxyl $(-OH)$ group at the $C-3$ position and a hydrocarbon tail. It does not contain a carboxyl $(-COOH)$ or a keto $(C=O)$ group. In contrast,Cortisone and Progesterone are steroid hormones that contain keto groups. Triglycerides are esters of fatty acids and glycerol,containing ester linkages $(-COO-)$ which are derived from carboxyl groups.

Which of the following examples does not contain a carboxyl or keto group?

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