A) ester
B) acid
C) monohydric alcohol
D) cholesterol
Correct Answer: A
Solution :
Waxes are esters formed between a long chain alcohol and saturated fatty acids. This material is typically pliable and soft when warm but hard and water resistant when cold, eg, paraffin wax. Steroids are complex compounds commonly found in cell membranes and animal hormones. The best known of these is the sterol called cholesterol which reinforces the structure of cell membrane in animal cells.
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