Jan. 2, 2019, 6:07 p.m.
tutti - social network
Tutti is the simplest social network on internet. Here you can make friends, create communities, sell things, make surveys, comment and share stuff.
E para onde será que a Variantona vai neste fim de semana?? 
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
