Affect • Affected • Arrangement • Buildings • Cause • Coincidental • Commercial • Complex • Composed • Conductor • Contact • Decorative • Difficult • Down • Fibers • Fibrous • Flexibility • Food • Form • Function • Garments • Including • Insects • Its • Known • Lab • Mammals • Mineral • Molecules • Potential • Practical • Produced • Properties • Purely • Recombinant • Responsible • Several • Silk • Small • Soybeans • Species • Stability • Structural • Synthesized • Technology • Toxic • Traditional • Variety • Which • Yes