NDFS 100 EXAM 2 BYU 2026
MACRONUTRIENTS CARBOHYDRATES
PROTEINS FATS QUESTIONS SOLUTIONS
STRUCTURED SCRIPT
◉ What are the functions of fat in food?
Answer: concentrated calories, fat-soluble vitamins, aroma, flavor,
texture,tenderness, satiety
◉ True or False: Fat is the bodies major form of stored energy
Answer: true
◉ T or F: Fat forms the major material of the cell membranes
Answer: true
◉ T or F: Fat provides no nutrients
Answer: False; it provide essential fatty acids, fat-soluble vitamins,
and other needed compounds.
◉ What are the three types of lipids?
,Answer: triglycerides, phospholipids, sterols
◉ What is another name for triglycerides?
Answer: fatty acids
◉ What is the structure of a triglyceride?
Answer: 3 fatty acids + 1 glycerol molecule
◉ In what two ways do fatty acids differ from one another?
Answer: chain length and degree of saturation
◉ T or F: the shorter chain fatty acids or more unsaturated ones are
harder
Answer: False; they are softer
◉ What do fatty acids in food do?
Answer: Influence the composition of fats in the body
◉ What does it mean when a fatty acid is saturated?
Answer: every available bond from the carbon chain is holding a
hydrogen atom
, ◉ What does it mean when a fatty acid is unsaturated?
Answer: the fatty acid carbon chain has a place where hydrogens are
missing
◉ What is it called on a carbon chain where a hydrogen is missing?
Answer: point of unsaturation
◉ What is a monounsaturated fatty acid?
Answer: the carbon chain contains just one point of unsaturation
◉ What is a polyunsaturated fatty acid?
Answer: the carbon chain contains two or more points of
unsaturation
◉ What is polyunsaturated often abbreviated as?
Answer: PUFA
◉ T or F: The more carbon atoms in a fatty acid, the longer it is
Answer: True
◉ T or F: The more hydrogen atoms attached to the carbons in a
fatty acid, the more saturated the fatty acid is
MACRONUTRIENTS CARBOHYDRATES
PROTEINS FATS QUESTIONS SOLUTIONS
STRUCTURED SCRIPT
◉ What are the functions of fat in food?
Answer: concentrated calories, fat-soluble vitamins, aroma, flavor,
texture,tenderness, satiety
◉ True or False: Fat is the bodies major form of stored energy
Answer: true
◉ T or F: Fat forms the major material of the cell membranes
Answer: true
◉ T or F: Fat provides no nutrients
Answer: False; it provide essential fatty acids, fat-soluble vitamins,
and other needed compounds.
◉ What are the three types of lipids?
,Answer: triglycerides, phospholipids, sterols
◉ What is another name for triglycerides?
Answer: fatty acids
◉ What is the structure of a triglyceride?
Answer: 3 fatty acids + 1 glycerol molecule
◉ In what two ways do fatty acids differ from one another?
Answer: chain length and degree of saturation
◉ T or F: the shorter chain fatty acids or more unsaturated ones are
harder
Answer: False; they are softer
◉ What do fatty acids in food do?
Answer: Influence the composition of fats in the body
◉ What does it mean when a fatty acid is saturated?
Answer: every available bond from the carbon chain is holding a
hydrogen atom
, ◉ What does it mean when a fatty acid is unsaturated?
Answer: the fatty acid carbon chain has a place where hydrogens are
missing
◉ What is it called on a carbon chain where a hydrogen is missing?
Answer: point of unsaturation
◉ What is a monounsaturated fatty acid?
Answer: the carbon chain contains just one point of unsaturation
◉ What is a polyunsaturated fatty acid?
Answer: the carbon chain contains two or more points of
unsaturation
◉ What is polyunsaturated often abbreviated as?
Answer: PUFA
◉ T or F: The more carbon atoms in a fatty acid, the longer it is
Answer: True
◉ T or F: The more hydrogen atoms attached to the carbons in a
fatty acid, the more saturated the fatty acid is
