These enzymes are also needed to relieve the twisting stresses introduced into DNA strands during processes such as transcription and DNA replication.Awon idimu DNA miranDNA exists in many possible conformations that include A-DNA, B-DNA, and Z-DNA forms, although, only B-DNA and Z-DNA have been directly observed in functional organisms.. 
Ọkùnrin arẹwà tí mo rí lójú mólúbí yìí rẹwà; ẹ̀gàn ni 45.. 