NUTRITION
CARBOHYDRATES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A scientist examines the source of the carbon atoms found in a person’s breath. Which food substances are most likely the source?
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lipids
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proteins
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nucleic acids
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carbohydrates
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Explanation:
Detailed explanation-1: -The three main types of lipids are triacylglycerols (also known as triglycerides), phospholipids, and sterols. 1) Triglycerides make up more than 95 percent of lipids in the diet and are commonly found in fried foods, butter, milk, cheese, and some meats.
Detailed explanation-2: -Carbohydrates are composed of carbon, hydrogen, and oxygen and have a general formula that approximates CH2O. They are polyhydroxy aldehydes or ketones or form polyhydroxy aldehydes or ketones when hydrolyzed. Carbohydrates occur as monosaccharides, disaccharides, oligosaccharides, and polysaccharides.
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