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BIO 12-MOD1/1.2C

Lesson 1.2C Vocabulary Words

TermDefinition
lipids include steroids, such as the sex hormones and cholesterol, fats and oils, which act as energy storage molecules in organisms, ______ are unable to dissolve in water because they are neutral (non-polar)
neutral fats another term for triglycerides (fats and oils) but the neutral means the molecule is non-polar or neutral
phospholipids are a class of lipids that are a major component of all cell membranes as they can form lipid bilayers.
saturated fatty acids solid at room temperature (e.g., lard and butter); they have the maximum number of hydrogens on the fatty acid chains
steroids has a backbone of four fused carbon rings, each one differing primarily by the functional group attached to it, and by the arrangements if the rings; hormones such as estrogen, aldosterone, and testosterone are steroids
triglycerides triglycerides are made of one glycerol and three fatty acid molecules; the fatty acids are long chains of carbon atoms with hydrogen atoms attached, and end with the acidic group COOH
unsaturated fatty acids liquids at room temperature (e.g., olive and peanut oils); these molecules have double bonds between any two carbon atoms that have less than two hydrogens attached to them
Created by: WOOLGIRL