Related Clues:

• Breakdown cause
• Citric __
• Sharp, like wit
• DNA source, sometimes
• "Maalox moment" cause
• Liver production
• A kind of test
• Base's opposite
• Amino or hydrochloric
• Word before rain or rock
• Biological catalyst
• Amino, boric or citric
• 60-Down, slangily
• Pepto-Bismol target
• Alkali's opposite