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Class Notes 3: Macromolecules. I. Macromolecules A. Macromolecules are really big molecules. B. There are 4 main types in living things: carbohydrates,

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Presentation on theme: "Class Notes 3: Macromolecules. I. Macromolecules A. Macromolecules are really big molecules. B. There are 4 main types in living things: carbohydrates,"— Presentation transcript:

1 Class Notes 3: Macromolecules

2 I. Macromolecules A. Macromolecules are really big molecules. B. 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 A. Carbohydrates are made of C, H, and O. B. Can be broken down to provide energy for cells. C. Major part of plant cells-cellulose. simple carbohydrate example

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

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

6 V. Nucleic Acids A. Contain the information cells use to build proteins from amino acids. B. 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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