Part 2: Building and Comparing Silk Strands 1. Build two additional models of each protein molecule so that you have three protein molecules of each type.
2. For each type of protein, try to connect the protein molecules to form silk strands. You must use all of a molecule's
connectors to form a strand.
3. Complete the table below to record your observations. In the middle column, indicate if each type of protein
molecule could connect to form a silk strand.
4. In the last column, sketch and describe each silk strand.
Proteins in silk strand
Did the proteins connect
to form a strand?
Sketch the structure of the silk strand below.
protein 1
protein 2
protein 3
Compare the flexibility of the protein strands. Which protein do you think formed the most flexible strand? Explain your
answer below.