Final answer:
Triacylglycerol is the bio-molecule associated with long term energy storage.
Step-by-step explanation:
The bio-molecule associated with long term energy storage is Triacylglycerol. Triacylglycerol, also known as triglyceride, is a type of lipid composed of three fatty acid molecules bonded to a glycerol molecule. It is the main component of fats and oils and is stored in adipose tissue for long-term energy storage in the body.
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