Unit 2 Biochemistry Test Exam Questions With 100% Correct Answers

Unit 2 Biochemistry Test Exam Questions With 100% Correct Answers What are the 3 macromolecules that we have studied? - answerLipids, Carbs and Protein Purpose for carbs - answerPrimary Energy Source How does a plant use a carbohydrate? - answerStructural support - Found in the cell walls What are the 3 elements found in all the macromolecules we studied? - answerCarbon, Hydrogen & Oxygen How can you identify a carb by looking at a picture? - answerRing Structure What does disaccharide mean? - answertwo sugars bonded together What does monosaccharide mean? - answerone sugar molecule What does polysaccharide mean? - answer3 or more sugars bonded together Benedict's Solution tests (+) for - answerPositive (+) for a monosaccharide ONLY What color does Benedict's turn if monosaccharides are present? - answerOrange-Yellow What color is Benedicts if monosaccharides are NOT present? - answerStays Aqua blue What is the chemical test for a polysaccharide? - answerIodine Indicator What color does Iodine turn when polysaccharides are present (+) ? - answerDark purple/black What color is Iodine when polysaccharides are NOT present (-) ? - answerStays yellow What are the building blocks of a lipid? - answerGlycerol and 3 Fatty Acids What is the purpose of a lipid for your body? - answerlong term energy storage and insulation What are the characteristics of a saturated fatty acid? - answerStacks and is straight. These are BAD for you.