Pronunciation: ˌ t ō -p ō - ī - ' sä-m ə - ˌ r ā s, - ˌ r ā z
Function: noun
Etymology: top- + isomerase
Date: 1980
: any of a class of enzymes that reduce supercoiling in DNA by breaking and rejoining one or both strands of the DNA molecule
Pronunciation: ˌ t ō -p ō - ī - ' sä-m ə - ˌ r ā s, - ˌ r ā z
Function: noun
Etymology: top- + isomerase
Date: 1980
: any of a class of enzymes that reduce supercoiling in DNA by breaking and rejoining one or both strands of the DNA molecule
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012