NURSING EXAM QUESTIONS
HUMAN ANATOMY PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A substance causing fats to mix with water; containing molecules with a non-polar end and a polar end
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Emulsifiers
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Saturated fatty acids
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Phospholipids
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Steroids
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Explanation:
Detailed explanation-1: -Lecithin is a phospholipid molecule found in soy and isolated in refining of soy oil. It is an effective and popular food emulsifier. Egg yolk contains two emulsifiers-lecithin, which promotes oil in water emulsions, and cholesterol, which promotes water in oil emulsions.
Detailed explanation-2: -What are emulsifiers? Emulsifiers are surface active molecules (surfactants), which lie at the water-fat interface since each molecule of an emulsifier contains a hydrophilic (water loving) portion and a lypophilic (oil loving) portion.
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