Topic 6

  1. Building Macromolecules

Lions and elephants digest their foods by breaking bonds between elements in order to use them as energy or use them to rebuild parts of their cells and make new cells. Food is made of the following basic three macromolecules:

  1. Carbohydrates

    1. What atoms are they made of?

    2. Basic Functions?

    3. What are the 3 monosaccharides, disaccharides, and polysaccharides? and where are they found?

  2. Lipids 

    1. What atoms are they made of?

    2. Basic functions?

    3. What foods are they found in?

    4. Building blocks: glycerol and 3 fatty acids

    5. Saturated fats vs unsaturated

  3. Proteins 

    1. What atoms are they made of?

    2. Basic functions?

    3. building blocks: amino acids (20….. 9 essential)

  4. How can we identify these nutrients in food by using indicators? (Food mix-up lab)


  1. Reading a Food Label


  1. Nitrogen Cycle (Lion Protein and Elephant digestion Lab GC)

    1. How does nitrogen get into the food chain for plants to build proteins and DNA?

    2. What role does bacteria play?

    3. How do animals get their nitrogen?