The macromolecules that can be used by cells to store energy, form biological membranes, and serve as chemical messengers are lipids (Option A).
What are lipids?
Lipids represent a broad category of macromolecules composed generally by a glycerol backbone and one or more fatty acid chains, which may serve as hormones such as cholesterol.
In conclusion, the macromolecules that can be used by cells to store energy, form biological membranes, and serve as chemical messengers are lipids (Option A).
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