Dec. 31, 2018, 5:54 a.m.
Syria conflict: Trump 'committed to defeating IS', says Lindsey Graham
A top Republican says President Trump remains determined, despite deciding to withdraw all US troops.
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Pollen tube guidance towards the ovule is an important step for fertilization in flowering plants. In order for this to happen, a pollen tube attractant peptide LURE guides the pollen tube precisely to the ovule. Plant biologists have succeeded in analyzing for the first time, the crystal structure of LURE bound to its receptor protein PRK6.https://www.sciencedaily.com/releases/2017/12/171229095136.htm
