SOLUTIONS GRADED PLUS
◉ What is the effect of chain length on a fatty acid? (ch.5)
Answer: Chain length determines the physical form of a fat at room
temperature.
◉ What is the physical form of a short-chain fatty acid at room
temperature? (ch.5)
Answer: (4-7 carbons) Liquid
◉ What is the physical form of a medium-chain length fatty acid at
room temperature? (ch.5)
Answer: (8-12 carbons) Liquid but solidifies in the refrigerator
◉ What is the physical form of a long-chain fatty acid at room
temperature? (ch.5)
Answer: (greater than 12 carbons) Solid
◉ What is a saturated fatty acid? (ch.5)
Answer: A fatty acid that contains no carbon-carbon double bonds.
, ◉ What is an unsaturated fatty acid? (ch.5)
Answer: A fatty acid that contains at least one carbon-carbon double
bond.
◉ What is a triglyceride? (ch.5)
Answer: A major form of lipid that consists of three fatty acids
attached to a glycerol molecule.
◉ What are the three types of fatty acids found in food? (ch.5)
Answer: Triglycerides, Phospholipids, and Sterols
◉ What is a phosphoglyceride? (ch.5)
Answer: A class of phospholipid consisting of a glycerol molecule, 2
fatty acids, and a phosphate group.
◉ Cholesterol (ch.5)
Answer: A lipid that consists of multiple chemical rings and is made
only by animal rings.
◉ Omega-3 fatty acid (ch.5)