If they are twisted in the opposite direction, this is negative supercoiling, and the bases come apart more easily.. 
Oruko oníbiṣẹ́ ile yi, ninu awon akosile awon ara Portugal, je was the "ile agbelebu mimo" ("land of the Holy Cross”; Terra da Santa Cruz), sugbon awon awako-ojúomi ati ọlọ́jà  ará Europe unsaba pe lasan bi "Ile Brasil" ("land of Brazil”; Terra do Brasil) nitori bùkátà igi Brasil.. 