The two parts of the Dixon Cycle, fatty acids bound to albumin and triglycerides in VLDL, constitute two systems that are fairly redundant and deliver energy (fatty acids) to all tissues 24/7 in order to

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BlackTom AI · Accepted Answer

The prompt asks about the two parts of the Dixon Cycle (fatty acids bound to albumin and triglycerides in VLDL) and why they form two systems that deliver energy to all tissues around the clock. 
Option 1: 'Keep you alive at all times- even in the middle of the night' articulates the idea that fatty acid mobilization and lipoprotein delivery provide a continuous energy supply to tissues, including during sleep, which aligns with physiology since many tissues rely on fatty acids for baseline energy and the heart and other organs require steady fuel.
Option 2: 'Waste energy' suggests inefficiency or misdirection; in normal metabolism, the released fatty acids are used for energy production rather than being wasted, so this is inaccurate.
Option 3: 'Reduce oxygen intake' does not describe a primary function of fatty acid transport or VLDL activity; energy metabolism generally increases oxygen use, not reduces it, making this claim incorrect.
Option 4: 'Make biology complicated' is a meta-critique and not a factual assertion about the metabolic role of fatty acids and VLDL; it mischaracterizes the purpose of the cycle.
In summary, the statement that best captures the physiological role of these lipid transport systems is that they help keep you alive at all times by supplying energy to tissues continuously, including during sleep, whereas the other options describe misconceptions or irrelevancies about energy metabolism.

11:709:255:01 NUTRITION AND HEALTH Lecture Quiz 6 - Spring 2025 - Lipids part 2 - Dixon Cycle

The two parts of the Dixon Cycle, fatty acids bound to albumin and triglycerides in VLDL, constitute two systems that are fairly redundant and deliver energy (fatty acids) to all tissues 24/7 in order to

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