From Wikipedia, the free encyclopedia. Werner syndrome ATP-dependent helicase also known as DNA helicase, RecQ-like type 3 is an enzyme that in humans is encoded by the WRN gene. WRN is a member of the RecQ Helicase family. Helicase enzymes generally unwind and separate double-stranded DNA. These activities are necessary before DNA can be copied in preparation for cell division (DNA replication).
James Cameron and 'MythBusters' Will Prove Rose Did Not Needlessly Let Jack Die in 'Titanic'. The director says it's not a question of room -- but that the plank wouldn't have stayed afloat under the weight of two people.
Continue reading the main story. 1  LONDON â Millvina Dean, who as an infant passenger aboard the Titanic was lowered into a lifeboat in a canvas mail sack and lived to become the shipâs last survivor, died Sunday at a nursing home in Southampton, the English port from which the Titanic embarked on its fateful voyage, according to staff at the home.