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HMD211-701: HUMAN NUTRITION:Chapter 5 questions with correct answers
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HMD211-701: HUMAN NUTRITION:Chapter 5 questions with correct answers
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HMD211-701: HUMAN NUTRITION:Chapter 5questions with correct answers
What are lipids? Correct Answer-Compounds containing carbon,
hydrogen, and oxygen that are hydrophobic (insoluble in water)
What is fat? Correct Answer-A type of lipid known as a triglyceride
What functions do fats serve in foods? Correct Answer-Give flaky
texture to baked goods, make meats tender, provide flavor and aromas,
contribute to satiety
What are the functions of fats and other lipids in the body? Correct
Answer-Energy storage, insulation, transport of compounds, cell
membrane structure.
What are the three types of lipids found in foods and in the body?
Correct Answer-Triglycerides (fats), phospholipids, and sterols.
What is the basic unit of triglycerides and phospholipids? Correct
Answer-Fatty acid.
What is a fatty acid? Correct Answer-A chain of carbon and hydrogen
atoms with an acid group (COOH) at one end.
How many different fatty acids are there? Correct Answer-Over 20
different fatty acids.
, How can fatty acids vary? Correct Answer-1. Length of chain
2. Whether carbons have double or single bonds between them
3. Total number of double bonds
What are saturated fatty acids? Correct Answer-All carbons bonded to
hydrogen.
Give an example of a saturated fatty acid. Correct Answer-Stearic acid,
18 carbons, solid at room temperature.
What are monounsaturated fatty acids (MUFA)? Correct Answer-Fatty
acids with one double bond.
Give an example of a monounsaturated fatty acid. Correct Answer-Oleic
acid, 18 carbons (olive oil), liquid at room temperature.
What are polyunsaturated fatty acids (PUFA)? Correct Answer-Fatty
acids with more than one double bond.
Give an example of a polyunsaturated fatty acid. Correct Answer-
Essential fatty acids linoleic acid and alpha-linolenic acid (soybean oil).
What is a triglyceride? Correct Answer-Three fatty acids connected to
glycerol backbone.
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