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Class Notes 3: Macromolecules

Class Notes 3: Macromolecules. I. Macromolecules. Macromolecules are really big molecules. There are 4 main types in living things: carbohydrates, lipids, proteins, and nucleic acids and they are mostly made of the elements HONC. II. Carbohydrates. Carbohydrates are made of C, H, and O.

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Class Notes 3: Macromolecules

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  1. Class Notes 3: Macromolecules

  2. I. Macromolecules • Macromolecules are really big molecules. • There are 4 main types in living things: carbohydrates, lipids, proteins, and nucleic acids and they are mostly made of the elements HONC.

  3. II. Carbohydrates • Carbohydrates are made of C, H, and O. • Can be broken down to provide energy for cells. • Major part of plant cells-cellulose. simple carbohydrate example

  4. III. Lipids- AKA fats & oils • Include fats, oils, and cholesterols. • Can be used for energy or cell structure Double bonds Single bonds

  5. IV. Proteins • A protein is a polymer made of the monomers amino acids. • Proteins help with digestion, movement, and even vision.

  6. V. Nucleic Acids • Contain the information cells use to build proteins from amino acids. • Made of nucleotides that contain a sugar, a phosphate, and a nitrogen base.

  7. Summary What are macromolecules? What are the four macromolecules in the human body?

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