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.
The Collision. When RMS Titanic hit an iceberg at 11.40pm on 14th April 1912, John Thayer Sr. was asleep, whilst Jack and his mother were preparing for bed. It was at this moment that Jack noticed a breeze through his half-open porthole stop.