News tagged with double helix

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DNA falls apart when you pull it

DNA falls apart when you pull it with a tiny force: the two strands that constitute a DNA molecule disconnect. Peter Gross of VU University Amsterdam has shown this in his PhD research project. With this research, ...

May 20, 2011 5 / 5 (2) 0

Unraveling the DNA stretching mystery

(PhysOrg.com) -- Using a new experimental test structure, biophysicists at JILA have unraveled part of a 15-year mystery in the mechanics of DNA -- just how the molecule manages to suddenly extend to almost ...

Jan 20, 2011 4.7 / 5 (3) 0 | with audio podcast

DNA and the 'magic rings' trick

(PhysOrg.com) -- A new study from UC Davis shows how, like a conjuring trick with interlocking rings, two interlocked pieces of DNA are separated after DNA is copied or repaired. The finding was published online Oct. 10 in ...

Oct 11, 2010 5 / 5 (5) 2 | with audio podcast