LIPIDS  Composed of Carbon, Hydrogen, and Oxygen  Greater than 2:1 ratio of H:O  Includes fats, oils, phospholipids, and cholesterol  Building blocks.

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Presentation transcript:

LIPIDS

 Composed of Carbon, Hydrogen, and Oxygen  Greater than 2:1 ratio of H:O  Includes fats, oils, phospholipids, and cholesterol  Building blocks (monomers) are fatty acids and glycerol.  Energy storage molecules  Phospholipids part of cell membrane

Fatty Acid Structure Carboxyl group (COOH) forms the acid. “R” group is a hydrocarbon chain.

 Saturated  1. Chains of Carbon single bonded  2. Generally solid at room temperature  Unsaturated  1. Chains of Carbon double bonded  2. Generally liquid at room temperature

Saturated Fatty Acid Unsaturated Fatty Acid

 Complex macromolecules that store info. in cells in the form of a code.  Subunits are called nucleotides  Consist of C, H, O, N and P atoms  Nucleotides arranged in 3 groups:  1. Base  2. Simple Sugar  3. Phosphate Group

 DNA-Deoxyribonucleic Acid  Master copy to any organism’s information code.  Forms the genetic code  RNA-Ribonucleic Acid  Copies DNA for protein synthesis