Modeling the biomolecules

One of the best ways to help students understand the interaction of atoms to have the construct models of simple carbs, disaccharides, polysaccharids,  lipids, amino acids, proteins and nucleic acids.

There are many model kits available and it is well worth the cost to the school/science department.  Remember, freshmen biology and chemistry students should also be modeling some of these molecules.

Try this:

1. Have each team construct a monosaccharide and then have two teams “bond” them together (should see this as a dehydration synthesis reaction).  Continue adding dissacharides together and then describe the polysaccharide.

2. Have student teams construct an amino acid.  Make sure that teams are assigned one of the different groups of amino acids – nonpolar, polar,  positively charged and negatively charged.  When student have finished – ask them to describe “what is the same about each model?”  “What is different about each model?”

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