Class Notes 3: Macromolecules

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Class Notes 3 Macromolecules
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I. Macromolecules

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

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II. Carbohydrates

1. Carbohydrates are made of C, H, and O.
2. Can be broken down to provide energy for cells.
3. Major part of plant cells-cellulose.

simple carbohydrate example
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III. Lipids- AKA fats oils

1. Include fats, oils, and cholesterols.
2. Can be used for energy or cell structure

Double bonds
Single bonds
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IV. Proteins

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

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V. Nucleic Acids

1. Contain the information cells use to build
   proteins from amino acids.
2. Made of nucleotides that contain a sugar, a
   phosphate, and a nitrogen base.

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Summary

• What are macromolecules? What are the four
  macromolecules in the human body?