Plants often have a waxy covering on the outside of their leaves to prevent water...
BIOLOGY
SAT 2021
Plants often have a waxy covering on the outside of their leaves to prevent water loss. This waxy covering probably contains mostly which organic compound?
- A. A protein
- B. A nucleic acid
- C. A carbohydrate
- D. A lipid
Correct Answer: D. A lipid
Explanation
Major lipid groups include fats, steroids, and waxes. Because the question references a waxy covering, we know that the plant covering must be composed of lipids.
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