Related Clues:

• Ingredient in a bond
• Monomer of proteins, informally
• ___ acid (building block of biology)
• __ resin (organic adhesive)
• Acid in proteins, informally
• ___ acid (protein building block)
• (Protein constituent) acid
• Minor insult; slim
• Synthetic resin
• Last to use unpleasant resin
• Synthetic adhesive, paint etc.
• Plastic key of poor quality
• Aren't I almost sort of acid?
• Type of glue
• Synthetic adhesive