It is not enough to leave this critical function to presidents and prime ministers just because they have technical training.

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The shape that the amino-acid chain wraps itself up into is critical to its function.

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But the subunits most critical to its function are mitochondrial in origin.

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So, it is critical that the USPTO function properly to fulfill its role in helping determine what intellectual property rights, if any, will be accorded to inventors.

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This suggested that violence might, to a critical extent, be a function of the conditions of incarceration.

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"It is critical for the committee's oversight function to fully understand the legal basis for all intelligence and counter-terrorism operations, " she said.

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In fact, Bologna's main tourist attractions--including its medieval, porticoed streets and two leaning towers--seem to have been specifically designed for one critical function: walking off meals.

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It also takes into account UNESCO's deep and continuing concerns about journalist murders around the world because the profession's work is critical to providing us with the information we need to function as a civil society.

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I'm also going to just be talking about some more mundane matters, things like making sure that we have our government personnel in place on critical positions -- in critical positions that involve our basic government function and seeing if we can accelerate that and try to find some agreement in those areas.

WHITEHOUSE: President Obama Meets with House and Senate Leaders