The phosphorous is not necessary for lipids. The correct option is B.
A lipid is any organic molecule that is not soluble in water. They encompass fats, waxes, animal fats, hormones, and certain membrane constituents that serve as energy storage molecules and chemical messengers.
Even though the term "lipid" is occasionally used interchangeably with "fats," fats are a subcategory of lipids known as triglycerides.
Lipids also include fatty acids and their variants, in addition to other sterol-containing metabolites like cholesterol.
Adenosine 5′-triphosphate abridged ATP and generally represented without the 5′-, is a vital "energy molecule" found in all phosphorous-containing life forms.
The presence of phosphorous is also required by the cell membrane and nucleotides.
Thus, the correct option is B.
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