| Answer | Crossword Clue |
|---|---|
| DUBSIN | Adds, as to a recording |
| FUELS | Adds to, as a fire |
| INJECTS | Adds, as humor to a conversation |
| RUNSUP | Adds to, as a bar tab |
| SEWSIN | Adds a lining as to slacks |
| RUNSUP | Adds to, as a bar bill |
| INJECTS | Adds to a conversation, as a remark |
| lyase | an enzyme (as a decarboxylase) that forms double bonds by removing groups from a substrate other than by hydrolysis or that adds groups to double bonds |
