When the human body burns fat, all acids esterify to:

Question

BlackTom AI · Accepted Answer

Think about what happens when fats are formed and stored in the body. Fatty acids are not stored just as free acids; they join with a glycerol backbone through ester bonds to create triglycerides.
Option 1: Palmiate (C16H32O2) represents a single fatty acid (palmitic acid) and does not reflect the esterified triglyceride structure. It’s not the form in which fats are stored or mobilized, so this is incorrect.
Option 2: 2-Olel-palmitostearin (C55H104O6) denotes a triglyceride containing oleyl, palmitoyl, and stearoyl fatty acid chains esterified to glycerol. This matches the classic storage form of fat in the body, where three fatty acids are esterified to glycerol, yielding a triacylglycerol with the typical molecular composition.
Option 3: Oleate (C18H34O2) is another single fatty acid (oleic acid) and, like palmitate, is not the esterified triglyceride form used for fat storage. Therefore it is not the correct esterified product.
Option 4: Linoleate (C18H32O2) is also a free fatty acid (linoleic acid) rather than a glycerol-esterified triglyceride. It does not represent the stored fat’s esterified backbone.
In summary, the correct concept is that all fatty acids in fat esters are bound to a glycerol backbone to form a triglyceride, and 2-Olel-palmitostearin is the representative triglyceride among the provided options.

ANSC20002_2025_SM2 Exam: Comparative Nutrition and Digestion (ANSC20002_2025_SM2)- Requires Respondus LockDown Browser

When the human body burns fat, all acids esterify to:

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