Steroids are characterized by a core structure consisting of four fused rings, known as a tetracyclic ring system, with various functional groups attached at different positions. This structure distinguishes them from other types of lipids and organic compounds.

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Steroids Are

Question 54

Multiple Choice

Steroids are

A) simple esters of long chain alcohols and fatty acids.
B) esters of glycerol with three predominantly saturated fatty acids.
C) esters of glycerol with three predominantly unsaturated fatty acids.
D) based on a tetracyclic ring system with substituents at various positions.
E) based on a system composed of four adjacent aromatic rings with substituents at various positions.

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