"We found definitive proof that IPA-3 fit into and binds to PAK1's autoregulatory domain, the part of the enzyme where it can, essentially, shut itself off when necessary," Peterson says.

“我们发现确切证据证明IPA - 3绑定在PAK1的自我调节域，部分的酶会在需要时关闭自己”彼得森说。

youdao

While a handful of U-S schools have incorporated the teaching method, Peterson felt it was a bit too drastic a change for their public preschool.

VOA: standard.2010.06.25

Nicholas Lardy, an economist and senior fellow at the Washington-based Peterson Institute, says China's unwillingness to adopt derivative loans and other high-risk financial products helped to shield it from the impact of the world economic downturn.

VOA: standard.2009.11.10

You might be better off with a copy of Peterson's Complete Guide to Colleges.

FORBES: The Privatized Policeman

They struggled to attract investors, but finally succeeded, mostly thanks to Mr Peterson's many connections.

ECONOMIST: The rise of private equity

The case did not grab headlines until after Peterson's fourth wife, Stacy, disappeared in October 2007.

CNN: STORY HIGHLIGHTS