• Biomolecules


  • 1

Learning Objectives

  1. Identify the chemical characteristics of organic molecules.
  2. Identify the common characteristics of carbohydrates.*
  3. Identify the common characteristics of proteins.*
  4. Identify the common characteristics of lipids.*
  5. Identify the common characteristics of nucleic acids.*
  6. Describe the chemical reactions that synthesize and break down organic molecules.
  7. Identify the elements common and unique to all macromolecule groups.
  8. * including structural and functional roles in living organisms


Biology in Real Life

When viewing the slide show, consider the chemical composition of the food you eat.




  1. Before continuing this lesson, please read the appropriate chapter in your textbook as directed in your course calendar.
  2. Complete the online lesson activities:
    • Organic Molecules
    • Functional Groups and Biomolecules
    • Carbohydrates
    • Proteins
    • Lipids
    • Nucleic Acids
    • Progress Check
  3. Complete Lab 3: Biomolecules.
    • This lab is about the molecules we eat every day.
      • Make sure to plan ahead by reading the appropriate pages in your lab manual, reviewing the online lab materials, and watching the lab demonstration videos in advance.
      • This lab is estimated to take about 1 to 2 hours to set up and perform the experiments.
      • Allow additional time for completing and submitting your lab report as directed by your instructor.
    • Additionally, you need to gather the following items before you begin the lab:
      • distilled water;
      • hot water bath;
      • potato;
      • onion;
      • egg white;
      • fork;
      • knife;
      • cutting board.