Related Clues:

• Recording aid briefly,
• DNA part
• Acetic __
• Karaoke prop
• Litmus reddener
• Lysergic, for one
• Alkali counterpart
• Users drop it
• The 'A' in DNA
• Tape recorder abbr.
• Heartburn cause
• Base antagonist?
• Beyond sarcastic
• See 43 Across
• Part of RNA