Some Vitamins Are Available from Foods as Precursors Called

question 76

Multiple Choice

Some vitamins are available from foods as precursors called:

• A)provitamins.
• B)coenzymes.
• C)pre-enzymes.
• D)free radicals.
• E)oxidants.

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Definitions:

Ammonia

A colorless gas with a characteristic pungent smell, used in many industrial and cleaning products, which is toxic in high concentrations.

Urea

Urea is a nitrogenous compound produced in the liver as a waste product of protein metabolism and excreted in urine.

Beta Oxidation

A metabolic process in which fatty acid molecules are broken down in the mitochondria to generate acetyl-CoA, which enters the citric acid cycle to produce energy.

Fatty Acids

Long hydrocarbon chains that are a vital component of lipids and play an essential role in energy storage and cell structure.