alleryStart learning →Which groups of molecules are counted as lipids?
AFats, oils, starches, phospholipids and steroids
BFats, oils, waxes, nucleotides and steroids
CFats, oils, waxes, phospholipids and peptides
DFats, oils, waxes, phospholipids and steroids
Answer & Solution
Correct answer: D. Fats, oils, waxes, phospholipids and steroids
1. Lipids are a diverse group held together by being nonpolar rather than by one shared skeleton.
2. The group covers fats, oils, waxes, phospholipids and steroids.
3. Starches are carbohydrates and peptides are short chains of amino acids, so neither belongs.
4. Nucleotides build nucleic acids, which are a separate class of macromolecule.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 3 "Biological Macromolecules", section 3.3 Lipids_
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