Unit 2 Lesson 2: Carbs and Lipids 1.A – Carbon can form 4 covalent bonds. 2.D – Polysaccharide is a carbohydrate. Wax, saturated fat and phospholipids.

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Presentation transcript:

Unit 2 Lesson 2: Carbs and Lipids 1.A – Carbon can form 4 covalent bonds. 2.D – Polysaccharide is a carbohydrate. Wax, saturated fat and phospholipids are all lipids. 3.C – Dehydration synthesis joins monomers to create polymers while releasing a water molecule for each monomer joined. Glucose is a monomer. 4.D – it is a phospholipid. Region 2 is the fatty acid chain which is nonpolar.

Part A Answer: A fat or oil molecule consists of three fatty acid chains joined to a single molecule of glycerol. The fatty acid chains are almost entirely hydrogen and carbon. Unit 2 Lesson 2: Carbs and Lipids

Part B Answer: Carbohydrates have a 1:2:1 ratio of carbon hydrogen and oxygen. Lipids are mostly carbon and hydrogen. Monomers of carbohydrates can be connected together to form long chains. Lipids to not have a monomer form. Unit 2 Lesson 2: Carbs and Lipids

Part C Answer: Fats and carbohydrates store energy for the organism. They can be broken down by cells to provide ATP.