MDCAT Biology MCQ #927

A botanist extracts a protective coating from the leaves of a desert plant. Chemical analysis confirms it is a wax. Waxes lack which component?

MDCAT Biology MCQ #927

  1. Question 1

    Q1. A botanist extracts a protective coating from the leaves of a desert plant. Chemical analysis confirms it is a wax. Waxes lack which component?

    • A) Glycerol
    • B) Phosphate group
    • C) Long-chain alcohol
    • D) Nitrogenous base

    Answer: Long-chain alcohol

    Explanation: Waxes are esters of long-chain fatty acids with long-chain alcohols, unlike acylglycerols which must contain a glycerol backbone.