In eukaryotes, entry into M-phase of the cell cycle is induced by activation of cyclin B–Cdc2 kinase. At G2-phase, the activity of its inactivator, a member of the Wee1 family of protein kinases, ...

I RECENTLY brought back from Jersey three specimens of Asterina gibbosa, all of which deposited ova in the small aquaria in which they were kept. As it appeared evident that the ova exuded from the ...

Place East Falkland Island, Port Stanley, On Beach At Battle Monument, Falkland Islands, South Atlantic Ocean ...

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