aiming at an improvement of the screening of toxic substances in biological materials and environment , the following biochemical indices were studied by means of the tetrahymena pyriformis as a testing object : total protein , total lipids , glucose , lactate dehydrogenase ( e.c.1.1.1.27 . ) , gamma-glutamyl transferase ( e.c.2.3.2.2 . ) , aspartate aminotransferase ( e.c.2.6.1.1 . ) , alanine aminotransferase ( e.c.2.6.1.2 . ) , acetyl cholinesterase ( e.c.3.1.1.7 . ) , butyryl cholinesterase ( e.c.3.1.1.8 . ) , alkaline phosphatase ( e.c.3.1.3.1 . ) , acid phosphatase ( e.c.3.1.3.2 . )
C0001044
acetyl cholinesterase
C0008429
butyryl