Biochemistry lab
The biochemistry lab was a section of  devoted to the study of biochemistry. 

In 2267, while all alone on the  after the entire ship's complement beamed down to Omicron Ceti III while under the influence of the planet's spores, Captain James T. Kirk tried to see if anyone was still on the ship by contacting engineering, ship's security and even the biochemistry lab. () 

In 2268, Captain Kirk ran into Dr. Janet Wallace in a corridor on the USS Enterprise. While talking to her, Kirk thought that she was on her way to the Enterprises biochemistry lab. ()
Spacecraft sections
Science