By. Jessica Lee

Basic Structures

  It contains nitrogen as well as carbon, hydrogen, and oxygen. Proteins are polymers made of a long chain of amino acids.

Functions/Building Blocks

  • Building Block: Amino Acid

  Proteins are used to form bones and muscles. Others transport substances into or out of cells and can also help fight disease. Some proteins control the rate (speed) of reactions and regulate cell processes.


  • Meat
  • Fish
  • Poultry
  • Eggs
  • Chees
  • Nuts