News articles tagged with 'enzyme' (Page 55)
[chronologically, reverse order]
Folate mystery finally solved
— 23 Aug 2007 11:35 | ChemistrySome biochemical processes, especially those in bacteria, have been so well studied it's assumed that no discoveries are left to be made. Not so, it turns out, for Johns Hopkins researchers…
Researchers find pathway that controls cell size and division
— 30 Jul 2007 19:21 | BiologyOrganisms precisely regulate cell size to ensure that daughter cells have sufficient cellular material to thrive or to create specific cell types: a tiny sperm versus a gargantuan egg…
Aphids make chemical weapons to fight off ladybirds
— 11 Jul 2007 05:53 | BiologyCabbage aphids have developed an internal chemical defence system which enables them to disable attacking predators by setting off a mustard oil 'bomb,' says new research. The study…