Which of the Following Is a Property of Niacin in Nutrition

question 179

Multiple Choice

Which of the following is a property of niacin in nutrition?

• A)It is susceptible to destruction in foods exposed to light
• B)It participates primarily in reactions involving amino acids
• C)It is soluble in both water and lipids depending upon its chemical form
• D)It can be synthesized in the body from the essential amino acid tryptophan

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Definitions:

Systemic Circuit

The part of the cardiovascular system that carries oxygenated blood away from the heart to the body and returns deoxygenated blood back to the heart.

AV Valves

Atrioventricular valves are valves in the heart that lie between the atria and the ventricles to prevent the backflow of blood during ventricular contraction.

Papillary Muscles

Muscular projections from the ventricular walls of the heart that attach to the cusps of the atrioventricular valves via the chordae tendineae and prevent valve inversion.

Regurgitation

The backward flow of blood through a valve in the heart due to the valve not closing properly, or the process of vomiting undigested food.