Snail shells coil in response to a lopsided protein gradient across their shell mantles, finds new research. In contrast the shell mantle of limpets, whose shells do not coil, have a symmetrical pattern of the protein Decapentaplegic (Dpp).
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/t...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/t...