News tagged with functional molecules

A foot in the door to genetic information

In the cell nucleus, DNA wraps around what are called histone proteins, forming regularly spaced spherical bodies called nucleosomes. Thus, large portions of the genetic material are inaccessible to the gene reading machinery. ...

Mar 07, 2012
4.3 / 5 (3) 0 | with audio podcast

Metabolic errors can spell doom for DNA

Many critical cell functions depend on a class of molecules called purines, which form half of the building blocks of DNA and RNA, and are a major component of the chemicals that store a cell’s energy. ...

Jan 31, 2012
not rated yet 0 | with audio podcast

Iodate refuses to intimidate

Like a bull in a china shop, a massive, iodine-based ion called iodate should disrupt the surrounding water molecules until it is forcibly expelled. However, it doesn't. This disconnect between the molecule's ...

Nov 08, 2011
5 / 5 (1) 0

A question of gene silencing

When investigating cancer cells, researchers discovered numerous peculiarities: Particular RNA molecules are present in large numbers, particular genes are overactive. Do these characteristics have a relation to cancer? Do ...

Aug 24, 2011
not rated yet 0